{"id":278883,"date":"2026-05-20T09:25:39","date_gmt":"2026-05-20T07:25:39","guid":{"rendered":"https:\/\/www.unipile.com\/?p=278883"},"modified":"2026-05-20T10:46:29","modified_gmt":"2026-05-20T08:46:29","slug":"e-maile-synchronizacyjne-vs-transakcyjne-api","status":"publish","type":"post","link":"https:\/\/www.unipile.com\/pl\/sync-vs-transactional-email-api\/","title":{"rendered":"API poczty synchronicznej vs transakcyjnej: kt\u00f3re tak naprawd\u0119 potrzebujesz? (2026)"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; da_disable_devices=&#8221;off|off|off&#8221; use_custom_width=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; 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!important;<!-- [et_pb_line_break_holder] -->    opacity: 0 !important;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 400px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-toc .utc-card {<!-- [et_pb_line_break_holder] -->    padding: 18px 14px !important;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  #unipile-svt-toc .utc-title {<!-- [et_pb_line_break_holder] -->    font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->  #unipile-svt-toc .utc-link {<!-- [et_pb_line_break_holder] -->    font-size: 12.5px !important;<!-- [et_pb_line_break_holder] -->  }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-top\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-toc\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"utc-card\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"utc-header\" data-utc-toggle><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"utc-header-left\"><!-- [et_pb_line_break_holder] -->        <svg class=\"utc-header-icon\" viewBox=\"0 0 24 24\" aria-hidden=\"true\"><!-- [et_pb_line_break_holder] -->          <line x1=\"8\" y1=\"6\" x2=\"21\" y2=\"6\"\/><!-- [et_pb_line_break_holder] -->          <line x1=\"8\" y1=\"12\" x2=\"21\" y2=\"12\"\/><!-- [et_pb_line_break_holder] -->          <line x1=\"8\" y1=\"18\" x2=\"21\" y2=\"18\"\/><!-- [et_pb_line_break_holder] -->          <line x1=\"3\" y1=\"6\" x2=\"3.01\" y2=\"6\"\/><!-- [et_pb_line_break_holder] -->          <line x1=\"3\" y1=\"12\" x2=\"3.01\" y2=\"12\"\/><!-- [et_pb_line_break_holder] -->          <line x1=\"3\" y1=\"18\" x2=\"3.01\" y2=\"18\"\/><!-- [et_pb_line_break_holder] -->        <\/svg><!-- [et_pb_line_break_holder] -->        <span class=\"utc-title\">Table of Contents<\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <button class=\"utc-toggle\" type=\"button\" aria-label=\"Toggle table of contents\"><!-- [et_pb_line_break_holder] -->        <span class=\"utc-toggle-label\">Show<\/span><!-- [et_pb_line_break_holder] -->        <svg class=\"utc-toggle-icon\" viewBox=\"0 0 24 24\" aria-hidden=\"true\"><!-- [et_pb_line_break_holder] -->          <polyline points=\"6 9 12 15 18 9\"\/><!-- [et_pb_line_break_holder] -->        <\/svg><!-- [et_pb_line_break_holder] -->      <\/button><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"utc-grid\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"utc-col\"><!-- [et_pb_line_break_holder] -->        <span class=\"utc-col-label\">Fundamentals<\/span><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-definitions\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">1<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">The Two Markets Defined<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-markets\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">2<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">Sync vs Transactional Explained<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"utc-col\"><!-- [et_pb_line_break_holder] -->        <span class=\"utc-col-label\">Choose Your Stack<\/span><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-decision\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">3<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">Decision Tree: Which Do You Need?<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-best\">Best<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-comparison\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">4<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">Side-by-Side Comparison<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"utc-col\"><!-- [et_pb_line_break_holder] -->        <span class=\"utc-col-label\">Use Cases<\/span><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-sync-usecases\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">5<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">Sync Email Use Cases<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-tx-usecases\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">6<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">Transactional Use Cases<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-hybrid\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">7<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">Hybrid Architecture<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"utc-col\"><!-- [et_pb_line_break_holder] -->        <span class=\"utc-col-label\">Resources<\/span><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-providers\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">8<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">Provider Directory<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"utc-item\" href=\"#svt-faq\" data-utc-link><!-- [et_pb_line_break_holder] -->          <span class=\"utc-num\">9<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"utc-link\">FAQ<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><script><!-- [et_pb_line_break_holder] -->(function() {<!-- [et_pb_line_break_holder] -->  var toc = document.getElementById('unipile-svt-toc');<!-- [et_pb_line_break_holder] -->  if (!toc) return;<!-- 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da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_code _builder_version=&#8221;4.27.4&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<!DOCTYPE html><!-- [et_pb_line_break_holder] --><html lang=\"en\"><!-- [et_pb_line_break_holder] --><head><!-- [et_pb_line_break_holder] --><meta charset=\"UTF-8\"><!-- [et_pb_line_break_holder] --><meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\"><!-- [et_pb_line_break_holder] --><title>Unipile &#8211; Sync vs Transactional Hero (Light)<\/title><!-- [et_pb_line_break_holder] --><link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light,<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light *,<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- [et_pb_line_break_holder] -->  outline: none !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light.svtl-hero-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1160px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 1fr !important;<!-- [et_pb_line_break_holder] -->  gap: 60px !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2da077 !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 20px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-dot {<!-- [et_pb_line_break_holder] -->  width: 7px !important;<!-- [et_pb_line_break_holder] -->  height: 7px !important;<!-- [et_pb_line_break_holder] -->  background: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-h1 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 44px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.18 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 20px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-h1 .svtl-accent {<!-- [et_pb_line_break_holder] -->  color: #3BB98B !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-sub {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.7 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 32px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-meta {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 16px !important;<!-- [et_pb_line_break_holder] -->  flex-wrap: wrap !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 32px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-meta-item {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 6px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.8rem !important;<!-- [et_pb_line_break_holder] -->  color: #64748b !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-meta-item svg {<!-- [et_pb_line_break_holder] -->  width: 14px !important;<!-- [et_pb_line_break_holder] -->  height: 14px !important;<!-- [et_pb_line_break_holder] -->  stroke: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-meta-sep {<!-- [et_pb_line_break_holder] -->  width: 4px !important;<!-- [et_pb_line_break_holder] -->  height: 4px !important;<!-- [et_pb_line_break_holder] -->  background: #cbd5e1 !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-actions {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 14px !important;<!-- [et_pb_line_break_holder] -->  flex-wrap: wrap !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-cta-primary {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  padding: 14px 28px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 8px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.95rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  border: 2px solid #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  cursor: pointer !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->  transition: transform 0.3s ease !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-cta-primary:hover {<!-- [et_pb_line_break_holder] -->  transform: translateY(-5px) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-cta-primary svg {<!-- [et_pb_line_break_holder] -->  width: 16px !important;<!-- [et_pb_line_break_holder] -->  height: 16px !important;<!-- [et_pb_line_break_holder] -->  stroke: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-cta-secondary {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  padding: 12px 24px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 8px !important;<!-- [et_pb_line_break_holder] -->  border: 2px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.95rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  cursor: pointer !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->  transition: all 0.3s ease !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-cta-secondary:hover {<!-- [et_pb_line_break_holder] -->  border-color: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  transform: translateY(-2px) !important;<!-- [et_pb_line_break_holder] -->  box-shadow: 0 4px 12px rgba(59, 185, 139, 0.15) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-cta-secondary svg {<!-- [et_pb_line_break_holder] -->  width: 16px !important;<!-- [et_pb_line_break_holder] -->  height: 16px !important;<!-- [et_pb_line_break_holder] -->  stroke: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-tags {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-wrap: wrap !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-tag {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  color: #475569 !important;<!-- [et_pb_line_break_holder] -->  padding: 5px 12px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 6px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.75rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 500 !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-hero-visual {<!-- [et_pb_line_break_holder] -->  position: relative !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-code-wrap {<!-- [et_pb_line_break_holder] -->  border-radius: 14px !important;<!-- [et_pb_line_break_holder] -->  overflow: hidden !important;<!-- [et_pb_line_break_holder] -->  background: #0d1117 !important;<!-- [et_pb_line_break_holder] -->  box-shadow: 0 20px 50px rgba(15, 39, 54, 0.15), 0 8px 16px rgba(15, 39, 54, 0.08) !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-editor-bar {<!-- [et_pb_line_break_holder] -->  background: #161b22 !important;<!-- [et_pb_line_break_holder] -->  padding: 12px 18px !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  border-bottom: 1px solid rgba(255,255,255,0.06) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-dot-r { width: 12px !important; height: 12px !important; border-radius: 50% !important; background: #ff5f57 !important; display: inline-block !important; flex-shrink: 0 !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-dot-y { width: 12px !important; height: 12px !important; border-radius: 50% !important; background: #febc2e !important; display: inline-block !important; flex-shrink: 0 !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-dot-g { width: 12px !important; height: 12px !important; border-radius: 50% !important; background: #28c840 !important; display: inline-block !important; flex-shrink: 0 !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-filename {<!-- [et_pb_line_break_holder] -->  color: #8b949e !important;<!-- [et_pb_line_break_holder] -->  font-size: 13px !important;<!-- [et_pb_line_break_holder] -->  margin-left: 6px !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Courier New', monospace !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-pre {<!-- [et_pb_line_break_holder] -->  padding: 22px 24px !important;<!-- [et_pb_line_break_holder] -->  font-size: 13px !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.8 !important;<!-- [et_pb_line_break_holder] -->  overflow-x: auto !important;<!-- [et_pb_line_break_holder] -->  background: #0d1117 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-pre code {<!-- [et_pb_line_break_holder] -->  font-family: 'Courier New', monospace !important;<!-- [et_pb_line_break_holder] -->  white-space: pre !important;<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .k { color: #ff7b72 !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .fn { color: #d2a8ff !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .s { color: #a5d6ff !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .cm { color: #8b949e !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .w { color: #e6edf3 !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .n { color: #79c0ff !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-editor-ok {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  border-top: 1px solid rgba(59, 185, 139, 0.3) !important;<!-- [et_pb_line_break_holder] -->  color: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  padding: 11px 24px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12.5px !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Courier New', monospace !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hero-light .svtl-editor-ok svg {<!-- [et_pb_line_break_holder] -->  width: 14px !important;<!-- [et_pb_line_break_holder] -->  height: 14px !important;<!-- [et_pb_line_break_holder] -->  stroke: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light.svtl-hero-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light .svtl-hero-inner { grid-template-columns: 1fr !important; gap: 40px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light .svtl-hero-h1 { font-size: 35px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light.svtl-hero-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light .svtl-hero-h1 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light .svtl-hero-actions { flex-direction: column !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light .svtl-cta-primary, #unipile-svt-hero-light .svtl-cta-secondary { width: 100% !important; justify-content: center !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 400px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-hero-light .svtl-hero-h1 { font-size: 22px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><\/head><!-- [et_pb_line_break_holder] --><body><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-hero-light\" class=\"svtl-hero-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svtl-hero-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svtl-hero-left\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svtl-hero-eyebrow\"><span class=\"svtl-dot\"><\/span><span>Email API Strategy<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<h1 class=\"svtl-hero-h1\">Sync vs Transactional<!\u2013- [et_pb_br_holder] -\u2013>Email APIs: Which One<!\u2013- [et_pb_br_holder] -\u2013>Do You <span class=\"svtl-accent\">Actually Need?<\/span><\/h1>\n<p><!-- [et_pb_line_break_holder] -->      <pee class=\"svtl-hero-sub\">Two markets, two completely different architectures. If you are building a CRM, ATS, or AI inbox tool, you need a sync email API. If you are sending password resets, you need transactional. This guide helps you choose correctly in 2026.<\/pee><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svtl-hero-actions\"><!-- [et_pb_line_break_holder] -->        <a class=\"svtl-cta-primary\" href=\"https:\/\/dashboard.unipile.com\/signup\/\" target=\"_blank\" rel=\"noopener\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><!-- [et_pb_line_break_holder] -->          <span>Build with Unipile<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->        <a class=\"svtl-cta-secondary\" href=\"https:\/\/www.unipile.com\/email-api-guide\/\" rel=\"noopener\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 19.5A2.5 2.5 0 0 1 6.5 17H20\"\/><path d=\"M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z\"\/><\/svg><!-- [et_pb_line_break_holder] -->          <span>Full Email API Guide<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svtl-hero-visual\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svtl-code-wrap\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svtl-editor-bar\"><!-- [et_pb_line_break_holder] -->          <span class=\"svtl-dot-r\"><\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svtl-dot-y\"><\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svtl-dot-g\"><\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svtl-filename\">email_type_check.py<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svtl-pre\"><code><span class=\"cm\"># Sync Email API - reads\/sends from user inbox<\/span><!-- [et_pb_line_break_holder] --><span class=\"k\">from<\/span> <span class=\"fn\">unipile<\/span> <span class=\"k\">import<\/span> <span class=\"fn\">UnipileClient<\/span><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><span class=\"w\">client<\/span> <span class=\"w\">=<\/span> <span class=\"fn\">UnipileClient<\/span><span class=\"w\">(api_key=<\/span><span class=\"s\">\"YOUR_KEY\"<\/span><span class=\"w\">)<\/span><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><span class=\"cm\"># Send FROM user's own Gmail \/ Outlook<\/span><!-- [et_pb_line_break_holder] --><span class=\"fn\">client<\/span><span class=\"w\">.<\/span><span class=\"fn\">email<\/span><span class=\"w\">.<\/span><span class=\"fn\">send<\/span><span class=\"w\">({<\/span><!-- [et_pb_line_break_holder] -->  <span class=\"s\">\"account_id\"<\/span><span class=\"w\">:<\/span> <span class=\"s\">\"user_oauth_account\"<\/span><span class=\"w\">,<\/span><!-- [et_pb_line_break_holder] -->  <span class=\"s\">\"to\"<\/span><span class=\"w\">:<\/span> <span class=\"w\">[{<\/span><span class=\"s\">\"email\"<\/span><span class=\"w\">:<\/span> <span class=\"s\">\"lead@example.com\"<\/span><span class=\"w\">}],<\/span><!-- [et_pb_line_break_holder] -->  <span class=\"s\">\"subject\"<\/span><span class=\"w\">:<\/span> <span class=\"s\">\"Following up from Alice\"<\/span><!-- [et_pb_line_break_holder] --><span class=\"w\">})<\/span><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><span class=\"cm\"># Transactional: send FROM your domain (SMTP relay)<\/span><!-- [et_pb_line_break_holder] --><span class=\"cm\"># Use SendGrid \/ Mailgun \/ Postmark instead<\/span><!-- [et_pb_line_break_holder] --><span class=\"cm\"># different market entirely<\/span><\/code><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svtl-editor-ok\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->          <span>Sync email sent from user&#8217;s linked account<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><\/body><!-- [et_pb_line_break_holder] --><\/html>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; da_disable_devices=&#8221;off|off|off&#8221; use_custom_width=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_code _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-def,<!-- [et_pb_line_break_holder] -->#unipile-svt-def *,<!-- [et_pb_line_break_holder] -->#unipile-svt-def *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-def *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- [et_pb_line_break_holder] -->  outline: none !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def.svt-def-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1100px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-eyedot {<!-- [et_pb_line_break_holder] -->  width: 7px !important;<!-- [et_pb_line_break_holder] -->  height: 7px !important;<!-- [et_pb_line_break_holder] -->  background: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-h2 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 35px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.2 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-intro {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.75 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-grid {<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 1fr !important;<!-- [et_pb_line_break_holder] -->  gap: 24px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-card {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 16px !important;<!-- [et_pb_line_break_holder] -->  padding: 32px 28px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-card-badge {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 18px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-badge-sync {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-badge-tx {<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.18) !important;<!-- [et_pb_line_break_holder] -->  color: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-card-title {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 20px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 12px !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.3 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-card-text {<!-- [et_pb_line_break_holder] -->  font-size: 15.5px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.78 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 20px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-card-text strong {<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-pills {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-wrap: wrap !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  margin-top: 12px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-def .svt-def-pill {<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  color: #4a5568 !important;<!-- [et_pb_line_break_holder] -->  padding: 4px 12px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 6px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.78rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 500 !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e2e8f0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-def.svt-def-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-def .svt-def-grid { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-def .svt-def-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-def.svt-def-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-def .svt-def-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-definitions\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-def\" class=\"svt-def-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-def-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-def-eyebrow\"><span class=\"svt-eyedot\"><\/span><span>Quick Answer<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-def-h2\">What Is the Difference Between Sync and Transactional Email APIs?<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-def-intro\">Understanding the sync vs transactional email api difference is the first architectural decision any SaaS founder faces. A sync email API lets your SaaS send and read emails <strong>from a user&#8217;s own mailbox<\/strong> via OAuth. A transactional email API lets you send emails <strong>from your own domain<\/strong> via an SMTP relay. Same word &#8220;email,&#8221; completely different systems, completely different markets.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-def-grid\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-def-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-def-card-badge svt-badge-sync\"><span>Sync Email API<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-def-card-title\">Sends FROM the user&#8217;s mailbox<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-def-card-text\">Your app authenticates a user&#8217;s Gmail, Outlook, or IMAP account via <strong>OAuth 2.0<\/strong>. Emails are sent from that user&#8217;s real address, appear in their Sent folder, and your platform can also read and sync their inbox. Authentication is per user. Use this when the email should come from your customer, not from you.<\/pee><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-def-pills\"><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">Gmail API<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">Microsoft Graph<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">IMAP<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">Unipile<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">OAuth per user<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-def-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-def-card-badge svt-badge-tx\"><span>Transactional Email API<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-def-card-title\">Sends FROM your own domain<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-def-card-text\">Your app connects to an SMTP relay with a single <strong>API key<\/strong>. Every email is sent from your domain (e.g. noreply@yourapp.com). You manage deliverability, IP warm-up, and bounce handling. No inbox reading. Use this for system-generated emails like password resets or order confirmations that come from your product.<\/pee><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-def-pills\"><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">SendGrid<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">Mailgun<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">Resend<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">Postmark<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-def-pill\">AWS SES<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; da_disable_devices=&#8221;off|off|off&#8221; use_custom_width=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_code _builder_version=&#8221;4.27.4&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-markets,<!-- [et_pb_line_break_holder] -->#unipile-svt-markets *,<!-- [et_pb_line_break_holder] -->#unipile-svt-markets *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-markets *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- [et_pb_line_break_holder] -->  outline: none !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets.svt-markets-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-markets-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1100px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-markets-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-dot {<!-- [et_pb_line_break_holder] -->  width: 7px !important;<!-- [et_pb_line_break_holder] -->  height: 7px !important;<!-- [et_pb_line_break_holder] -->  background: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-markets-h2 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 35px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.2 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-markets-intro {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.75 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 48px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-markets-grid {<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 1fr !important;<!-- [et_pb_line_break_holder] -->  gap: 32px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-card {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 16px !important;<!-- [et_pb_line_break_holder] -->  overflow: hidden !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-card-header {<!-- [et_pb_line_break_holder] -->  padding: 28px 28px 20px !important;<!-- [et_pb_line_break_holder] -->  border-bottom: 1px solid #f0f1f3 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-card-badge {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  padding: 5px 12px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 11px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 14px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-badge-green {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-badge-yellow {<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.18) !important;<!-- [et_pb_line_break_holder] -->  color: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-card-title {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 18px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 8px !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.3 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-card-sub {<!-- [et_pb_line_break_holder] -->  font-size: 14px !important;<!-- [et_pb_line_break_holder] -->  color: #6b7280 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-card-body {<!-- [et_pb_line_break_holder] -->  padding: 24px 28px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-section-label {<!-- [et_pb_line_break_holder] -->  font-size: 11px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #94a3b8 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.6px !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 10px !important;<!-- [et_pb_line_break_holder] -->  margin-top: 20px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-section-label:first-child {<!-- [et_pb_line_break_holder] -->  margin-top: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-row {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: flex-start !important;<!-- [et_pb_line_break_holder] -->  gap: 10px !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 8px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-row svg {<!-- [et_pb_line_break_holder] -->  width: 15px !important;<!-- [et_pb_line_break_holder] -->  height: 15px !important;<!-- [et_pb_line_break_holder] -->  stroke: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->  margin-top: 2px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-row-tx svg {<!-- [et_pb_line_break_holder] -->  stroke: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-row-text {<!-- [et_pb_line_break_holder] -->  font-size: 14px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.55 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-row-text strong {<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-providers {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-wrap: wrap !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  margin-top: 8px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-prov {<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  color: #4a5568 !important;<!-- [et_pb_line_break_holder] -->  padding: 4px 10px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 6px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12.5px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 500 !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e2e8f0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-prov-highlight {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.1) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  border-color: rgba(59, 185, 139, 0.25) !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-divider {<!-- [et_pb_line_break_holder] -->  height: 1px !important;<!-- [et_pb_line_break_holder] -->  background: #f0f1f3 !important;<!-- [et_pb_line_break_holder] -->  margin: 16px 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-auth-row {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  justify-content: space-between !important;<!-- [et_pb_line_break_holder] -->  padding: 10px 0 !important;<!-- [et_pb_line_break_holder] -->  border-bottom: 1px solid #f0f1f3 !important;<!-- [et_pb_line_break_holder] -->  gap: 12px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-auth-row:last-child {<!-- [et_pb_line_break_holder] -->  border-bottom: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-auth-label {<!-- [et_pb_line_break_holder] -->  font-size: 13px !important;<!-- [et_pb_line_break_holder] -->  color: #6b7280 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 500 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-auth-value {<!-- [et_pb_line_break_holder] -->  font-size: 13px !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  text-align: right !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-cta {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  padding: 12px 22px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 8px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.9rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  border: 2px solid #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  cursor: pointer !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->  transition: transform 0.3s ease !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  margin-top: 20px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-cta:hover {<!-- [et_pb_line_break_holder] -->  transform: translateY(-5px) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-markets .svt-mkt-cta svg {<!-- [et_pb_line_break_holder] -->  width: 14px !important;<!-- [et_pb_line_break_holder] -->  height: 14px !important;<!-- [et_pb_line_break_holder] -->  stroke: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-markets.svt-markets-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-markets .svt-markets-grid { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-markets .svt-markets-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-markets.svt-markets-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-markets .svt-markets-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-markets\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-markets\" class=\"svt-markets-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-markets-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-markets-eyebrow\"><span class=\"svt-mkt-dot\"><\/span><span>The Two Markets<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-markets-h2\">Sync Email API vs Transactional Email API: Two Completely Different Systems<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-markets-intro\">These two categories of email API are often confused because they both send emails. But they serve different buyers, different use cases, and different technical architectures. Here is a deep dive into each market so you can position yourself in the right one.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-markets-grid\"><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-mkt-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-mkt-card-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-card-badge svt-badge-green\"><span>Market A<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-card-title\">Sync Email API (Contextual)<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-card-sub\">Send and read email from a user&#8217;s own mailbox via OAuth<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-mkt-card-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Who it is for<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">SaaS products that need to act <strong>on behalf of the user&#8217;s email identity<\/strong> &#8211; CRM tools, ATS platforms, AI inbox assistants, customer support tools<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">Teams that need to <strong>read, sync, and search<\/strong> a user&#8217;s inbox in real time<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-divider\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Top 3 use cases<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">CRM auto-logging: sales rep&#8217;s Gmail thread synced into the CRM timeline<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">ATS outreach: recruiter sends candidate emails from their own Outlook address<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">AI inbox: read all incoming emails and auto-draft replies in the user&#8217;s voice<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-divider\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Authentication model<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">Auth type<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">OAuth 2.0 per user<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">From address<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">User&#8217;s own address<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">Deliverability<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">Provider&#8217;s (Gmail\/Outlook)<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">Pricing model<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">Per linked account\/month<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-divider\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Providers<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-providers\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov svt-mkt-prov-highlight\">Unipile<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">Gmail API<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">Microsoft Graph<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">IMAP<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">Nylas<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">Aurinko<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <a class=\"svt-mkt-cta\" href=\"https:\/\/dashboard.unipile.com\/signup\/\" target=\"_blank\" rel=\"noopener\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span>Build sync with Unipile<\/span><!-- [et_pb_line_break_holder] -->          <\/a><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-mkt-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-mkt-card-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-card-badge svt-badge-yellow\"><span>Market B<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-card-title\">Transactional Email API<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-card-sub\">Send automated emails from your own domain via SMTP relay<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-mkt-card-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Who it is for<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row svt-mkt-row-tx\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">Any product that needs to send <strong>system-generated messages from its own domain<\/strong> &#8211; password resets, invoices, onboarding flows, magic links<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row svt-mkt-row-tx\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">Engineering teams who need <strong>delivery guarantees, bounce management, and IP warm-up<\/strong> at scale<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-divider\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Top 3 use cases<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row svt-mkt-row-tx\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">Auth flows: password reset, magic link, email verification from noreply@yourapp.com<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row svt-mkt-row-tx\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">Order receipts: e-commerce confirmation from orders@yourstore.com<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-row svt-mkt-row-tx\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-row-text\">Marketing newsletters: bulk campaigns from no-reply@yourcompany.com with unsubscribe<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-divider\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Authentication model<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">Auth type<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">Single API key<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">From address<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">Your domain (you set it)<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">Deliverability<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">Your responsibility<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-auth-row\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-label\">Pricing model<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-auth-value\">Per email sent<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-divider\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-section-label\">Providers (not Unipile&#8217;s market)<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-mkt-providers\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">SendGrid<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">Mailgun<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">Resend<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">Postmark<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-mkt-prov\">AWS SES<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; 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_builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-decision,<!-- [et_pb_line_break_holder] -->#unipile-svt-decision *,<!-- [et_pb_line_break_holder] -->#unipile-svt-decision *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-decision *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- [et_pb_line_break_holder] -->  outline: none !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision.svt-dec-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1100px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.18) !important;<!-- [et_pb_line_break_holder] -->  color: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-h2 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 35px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.2 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-intro {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.75 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 48px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-flow {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-direction: column !important;<!-- [et_pb_line_break_holder] -->  gap: 0 !important;<!-- [et_pb_line_break_holder] -->  max-width: 860px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-step {<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 60px 1fr !important;<!-- [et_pb_line_break_holder] -->  align-items: start !important;<!-- [et_pb_line_break_holder] -->  gap: 0 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 4px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-question {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 14px !important;<!-- [et_pb_line_break_holder] -->  padding: 18px 22px !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: flex-start !important;<!-- [et_pb_line_break_holder] -->  gap: 14px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-qnum {<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->  width: 32px !important;<!-- [et_pb_line_break_holder] -->  height: 32px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  justify-content: center !important;<!-- [et_pb_line_break_holder] -->  font-size: 13px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-qtext {<!-- [et_pb_line_break_holder] -->  font-size: 15px !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  flex: 1 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-arrow {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  justify-content: center !important;<!-- [et_pb_line_break_holder] -->  padding-top: 22px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-arrow svg {<!-- [et_pb_line_break_holder] -->  width: 20px !important;<!-- [et_pb_line_break_holder] -->  height: 20px !important;<!-- [et_pb_line_break_holder] -->  stroke: #94a3b8 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-answers {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-direction: column !important;<!-- [et_pb_line_break_holder] -->  gap: 6px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-answer {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  padding: 8px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 10px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-answer-sync {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.10) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-answer-tx {<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.15) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-ans-label {<!-- [et_pb_line_break_holder] -->  font-size: 11px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.4px !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-ans-yes { color: #2aaa7e !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-ans-no { color: #8a8c2e !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-ans-text {<!-- [et_pb_line_break_holder] -->  font-size: 13.5px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 500 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-connector {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  justify-content: center !important;<!-- [et_pb_line_break_holder] -->  padding: 2px 0 !important;<!-- [et_pb_line_break_holder] -->  grid-column: 1 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-connector-line {<!-- [et_pb_line_break_holder] -->  width: 2px !important;<!-- [et_pb_line_break_holder] -->  height: 24px !important;<!-- [et_pb_line_break_holder] -->  background: #e5e7eb !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-summary {<!-- [et_pb_line_break_holder] -->  margin-top: 40px !important;<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 1fr !important;<!-- [et_pb_line_break_holder] -->  gap: 24px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-sum-card {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 16px !important;<!-- [et_pb_line_break_holder] -->  padding: 28px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-sum-title {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 16px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-sum-list {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-direction: column !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-sum-item {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: flex-start !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  font-size: 14px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-sum-item svg {<!-- [et_pb_line_break_holder] -->  width: 14px !important;<!-- [et_pb_line_break_holder] -->  height: 14px !important;<!-- [et_pb_line_break_holder] -->  stroke: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->  margin-top: 2px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-sum-item-tx svg {<!-- [et_pb_line_break_holder] -->  stroke: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-cta {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  padding: 12px 22px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 8px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.9rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  border: 2px solid #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  cursor: pointer !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->  transition: transform 0.3s ease !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  margin-top: 18px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-cta:hover {<!-- [et_pb_line_break_holder] -->  transform: translateY(-5px) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-decision .svt-dec-cta svg {<!-- [et_pb_line_break_holder] -->  width: 14px !important;<!-- [et_pb_line_break_holder] -->  height: 14px !important;<!-- [et_pb_line_break_holder] -->  stroke: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-decision.svt-dec-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-decision .svt-dec-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-decision .svt-dec-step { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-decision .svt-dec-arrow { display: none !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-decision .svt-dec-summary { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-decision.svt-dec-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-decision .svt-dec-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-decision\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-decision\" class=\"svt-dec-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-dec-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-dec-eyebrow\"><span>Decision Tree<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-dec-h2\">5 Questions to Find Out Which Email API You Need<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-dec-intro\">Answer these five questions honestly. By the end, you will know exactly which market applies to your product and which type of sync vs transactional email API to adopt.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-dec-flow\"><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-dec-step\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-question\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qnum\">1<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qtext\">Does the email need to come FROM the user&#8217;s own address (e.g. alice@her-company.com)?<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-arrow\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-answers\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-sync\"><span class=\"svt-dec-ans-label svt-ans-yes\">Yes<\/span><span class=\"svt-dec-ans-text\">You need a sync email API (OAuth user-side)<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-tx\"><span class=\"svt-dec-ans-label svt-ans-no\">No<\/span><span class=\"svt-dec-ans-text\">Continue to question 2<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-dec-step\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-question\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qnum\">2<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qtext\">Does the email come FROM your own domain (noreply@yourapp.com)?<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-arrow\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-answers\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-tx\"><span class=\"svt-dec-ans-label svt-ans-no\">Yes<\/span><span class=\"svt-dec-ans-text\">You need a transactional email API (SendGrid, Resend&#8230;)<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-sync\"><span class=\"svt-dec-ans-label svt-ans-yes\">No<\/span><span class=\"svt-dec-ans-text\">Continue to question 3<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-dec-step\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-question\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qnum\">3<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qtext\">Should the sent email appear in the user&#8217;s own Sent folder (in Gmail\/Outlook)?<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-arrow\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-answers\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-sync\"><span class=\"svt-dec-ans-label svt-ans-yes\">Yes<\/span><span class=\"svt-dec-ans-text\">Sync email API &#8211; emails live in the user&#8217;s mailbox<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-tx\"><span class=\"svt-dec-ans-label svt-ans-no\">No<\/span><span class=\"svt-dec-ans-text\">Transactional &#8211; system email, user&#8217;s mailbox not involved<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-dec-step\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-question\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qnum\">4<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qtext\">Do you need to manage IP warm-up, bounce rates, and domain deliverability yourself?<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-arrow\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-answers\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-tx\"><span class=\"svt-dec-ans-label svt-ans-no\">Yes<\/span><span class=\"svt-dec-ans-text\">Transactional &#8211; that&#8217;s exactly what those providers handle<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-sync\"><span class=\"svt-dec-ans-label svt-ans-yes\">No<\/span><span class=\"svt-dec-ans-text\">Continue to question 5<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-dec-step\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-question\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qnum\">5<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-qtext\">Do you also need to read, sync, or search the user&#8217;s inbox (not just send)?<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-arrow\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-answers\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-sync\"><span class=\"svt-dec-ans-label svt-ans-yes\">Yes<\/span><span class=\"svt-dec-ans-text\">Definitely sync &#8211; reading requires OAuth inbox access<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-answer svt-dec-answer-tx\"><span class=\"svt-dec-ans-label svt-ans-no\">No<\/span><span class=\"svt-dec-ans-text\">Review question 2 &#8211; you likely need transactional<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-dec-summary\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-dec-sum-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-sum-title\">If you answered &#8220;sync&#8221; &#8211; you need Unipile (or Gmail API \/ Microsoft Graph \/ IMAP directly)<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-sum-list\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Connects user&#8217;s Gmail, Outlook, or IMAP via OAuth<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>One API for all 3 providers, no per-provider code<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Reads inbox, syncs threads, sends from user&#8217;s address<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>SOC2 Type II and CASA Tier 2 certified<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <a class=\"svt-dec-cta\" href=\"https:\/\/dashboard.unipile.com\/signup\/\" target=\"_blank\" rel=\"noopener\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><!-- [et_pb_line_break_holder] -->          <span>Start building sync<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-dec-sum-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-sum-title\">If you answered &#8220;transactional&#8221; &#8211; look at SendGrid, Resend, Mailgun, Postmark, or AWS SES<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-dec-sum-list\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item svt-dec-sum-item-tx\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Managed deliverability and IP reputation<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item svt-dec-sum-item-tx\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Single API key, no per-user OAuth flow needed<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item svt-dec-sum-item-tx\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Pricing per email sent (not per user)<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-dec-sum-item svt-dec-sum-item-tx\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>No inbox reading capability (intentionally)<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; da_disable_devices=&#8221;off|off|off&#8221; use_custom_width=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_code _builder_version=&#8221;4.27.4&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-comparison,<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison *,<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- [et_pb_line_break_holder] -->  outline: none !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison.svt-cmp-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1100px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-eyedot {<!-- [et_pb_line_break_holder] -->  width: 7px !important;<!-- [et_pb_line_break_holder] -->  height: 7px !important;<!-- [et_pb_line_break_holder] -->  background: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-h2 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 35px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.2 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-intro {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.75 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-table-wrap {<!-- [et_pb_line_break_holder] -->  overflow-x: auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-table {<!-- [et_pb_line_break_holder] -->  width: 100% !important;<!-- [et_pb_line_break_holder] -->  border-collapse: separate !important;<!-- [et_pb_line_break_holder] -->  border-spacing: 0 !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 16px !important;<!-- [et_pb_line_break_holder] -->  overflow: hidden !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-thead tr {<!-- [et_pb_line_break_holder] -->  background: #0f2736 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-thead th {<!-- [et_pb_line_break_holder] -->  padding: 18px 24px !important;<!-- [et_pb_line_break_holder] -->  text-align: left !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 14px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #ffffff !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-thead th:first-child {<!-- [et_pb_line_break_holder] -->  color: rgba(255,255,255,0.6) !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 500 !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', sans-serif !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-th-sync span {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-th-sync .svt-th-badge {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.2) !important;<!-- [et_pb_line_break_holder] -->  color: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  padding: 2px 8px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 4px !important;<!-- [et_pb_line_break_holder] -->  font-size: 11px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', sans-serif !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-th-tx .svt-th-badge {<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.2) !important;<!-- [et_pb_line_break_holder] -->  color: #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  padding: 2px 8px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 4px !important;<!-- [et_pb_line_break_holder] -->  font-size: 11px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', sans-serif !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-tbody tr {<!-- [et_pb_line_break_holder] -->  border-bottom: 1px solid #f0f1f3 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-tbody tr:last-child {<!-- [et_pb_line_break_holder] -->  border-bottom: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-tbody tr:nth-child(even) {<!-- [et_pb_line_break_holder] -->  background: #fafafa !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-tbody td {<!-- [et_pb_line_break_holder] -->  padding: 16px 24px !important;<!-- [et_pb_line_break_holder] -->  font-size: 14.5px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  vertical-align: top !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.6 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-tbody td:first-child {<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->  width: 26% !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-pill-yes {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 5px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.10) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 3px 10px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12.5px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-pill-yes svg {<!-- [et_pb_line_break_holder] -->  width: 11px !important;<!-- [et_pb_line_break_holder] -->  height: 11px !important;<!-- [et_pb_line_break_holder] -->  stroke: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-pill-no {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 5px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(100, 116, 139, 0.10) !important;<!-- [et_pb_line_break_holder] -->  color: #64748b !important;<!-- [et_pb_line_break_holder] -->  padding: 3px 10px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12.5px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-comparison .svt-cmp-pill-no svg {<!-- [et_pb_line_break_holder] -->  width: 11px !important;<!-- [et_pb_line_break_holder] -->  height: 11px !important;<!-- [et_pb_line_break_holder] -->  stroke: #64748b !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-comparison.svt-cmp-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-comparison .svt-cmp-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-comparison.svt-cmp-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-comparison .svt-cmp-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-comparison .svt-cmp-tbody td:first-child { white-space: normal !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-comparison\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-comparison\" class=\"svt-cmp-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-cmp-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-cmp-eyebrow\"><span class=\"svt-cmp-eyedot\"><\/span><span>Full Comparison<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-cmp-h2\">Sync vs Transactional Email API: 10-Point Comparison<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-cmp-intro\">No winner declared in this sync vs transactional email api comparison. Both types are excellent at what they do. The comparison below highlights structural differences so you can match the architecture to your actual product requirements.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-cmp-table-wrap\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<table class=\"svt-cmp-table\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<thead class=\"svt-cmp-thead\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<th>Criterion<\/th>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<th class=\"svt-th-sync\"><span><span>Sync Email API<\/span><span class=\"svt-th-badge\">OAuth<\/span><\/span><\/th>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<th class=\"svt-th-tx\"><span><span>Transactional Email API<\/span><span class=\"svt-th-badge\">SMTP relay<\/span><\/span><\/th>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->        <\/thead>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<tbody class=\"svt-cmp-tbody\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Authentication<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>OAuth 2.0 per user (each linked account has its own token)<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Single API key for your whole app<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>From: address<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>User&#8217;s real address (alice@her-company.com)<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Your domain (noreply@yourapp.com)<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Primary use cases<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>CRM email log, ATS outreach, AI inbox assistant, helpdesk sync<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Password reset, order receipt, magic link, onboarding sequence<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Volume model<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Priced per linked account\/month (user count, not email count)<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Priced per email sent (volume-based)<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Deliverability concern<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Handled by Gmail\/Outlook &#8211; you inherit the user&#8217;s reputation<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Handled by you &#8211; IP warm-up, DKIM, SPF, DMARC all on your plate<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Read inbox<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td><span class=\"svt-cmp-pill-yes\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><polyline points=\"20 6 9 17 4 12\"\/><\/svg><span>Yes &#8211; full inbox sync<\/span><\/span><\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td><span class=\"svt-cmp-pill-no\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"18\" y1=\"6\" x2=\"6\" y2=\"18\"\/><line x1=\"6\" y1=\"6\" x2=\"18\" y2=\"18\"\/><\/svg><span>No &#8211; send-only<\/span><\/span><\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Webhooks \/ events<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Gmail Pub\/Sub, Microsoft Graph subscriptions, IMAP IDLE for real-time inbox updates<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Delivery events, bounces, opens, clicks via webhook<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>GDPR scope<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Wide &#8211; you access user&#8217;s full inbox data (consent + DPA required)<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Narrow &#8211; only data you put in the email template<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Vendor lock-in risk<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Medium &#8211; OAuth scopes differ per provider (mitigated by unified API like Unipile)<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Low &#8211; SMTP is universal, switching is straightforward<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<tr><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Best for<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>SaaS products that integrate the user&#8217;s existing email identity into the product workflow<\/td>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<td>Any product that sends system notifications from its own brand identity<\/td>\n<p><!-- [et_pb_line_break_holder] -->          <\/tr>\n<p><!-- [et_pb_line_break_holder] -->        <\/tbody>\n<p><!-- [et_pb_line_break_holder] -->    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[et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 10px !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.35 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-syncuc .svt-suc-card-text {<!-- [et_pb_line_break_holder] -->  font-size: 14.5px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.7 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-syncuc .svt-suc-card-text strong {<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-syncuc .svt-suc-card-tag {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.10) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 4px 10px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 6px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-syncuc .svt-suc-cta-row {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  justify-content: center !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-syncuc .svt-suc-cta {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  padding: 14px 28px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 8px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.95rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  border: 2px solid #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  cursor: pointer !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->  transition: transform 0.3s ease !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-syncuc .svt-suc-cta:hover {<!-- [et_pb_line_break_holder] -->  transform: translateY(-5px) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-syncuc .svt-suc-cta svg {<!-- [et_pb_line_break_holder] -->  width: 16px !important;<!-- [et_pb_line_break_holder] -->  height: 16px !important;<!-- [et_pb_line_break_holder] -->  stroke: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-syncuc.svt-suc-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-syncuc .svt-suc-grid { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-syncuc .svt-suc-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-syncuc.svt-suc-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-syncuc .svt-suc-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-sync-usecases\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-syncuc\" class=\"svt-suc-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-suc-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-suc-eyebrow\"><span class=\"svt-suc-dot\"><\/span><span>Sync Email API<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-suc-h2\">4 Products That Need a Sync Email API<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-suc-intro\">These sync email API use cases share one key trait: the email must come from the user&#8217;s own identity, or the product must read what the user receives. A sync email API is the only architecture that supports this. Learn more about the technical details in our <a href=\"https:\/\/www.unipile.com\/email-synchronization-api-for-seamless-software-integration\/\" rel=\"noopener\">email sync API deep dive<\/a>.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-suc-grid\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-suc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-title\">CRM with Email Auto-logging<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-suc-card-text\">A CRM syncs the sales rep&#8217;s Gmail or Outlook inbox and logs every email thread against the right contact, deal, or company record &#8211; automatically. The email is not generated by the CRM. It is <strong>retrieved from the rep&#8217;s linked account<\/strong> in real time. Salesforce, HubSpot, and Pipedrive all use this model for their native email integrations.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-suc-card-tag\"><span>Sync &#8211; read + write user inbox<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-suc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2\"\/><circle cx=\"9\" cy=\"7\" r=\"4\"\/><path d=\"M23 21v-2a4 4 0 0 0-3-3.87\"\/><path d=\"M16 3.13a4 4 0 0 1 0 7.75\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-title\">ATS Candidate Outreach<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-suc-card-text\">A recruiter uses an ATS to send outreach emails to candidates. Those emails must come from <strong>the recruiter&#8217;s Outlook or Gmail address<\/strong>, not a noreply@ address that will be ignored. The candidate replies, the reply lands in the recruiter&#8217;s real inbox and is synced back into the ATS. This two-way flow is only possible via OAuth sync.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-suc-card-tag\"><span>Sync &#8211; send from user + read replies<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-suc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M12 2L2 7l10 5 10-5-10-5z\"\/><path d=\"M2 17l10 5 10-5\"\/><path d=\"M2 12l10 5 10-5\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-title\">AI Inbox Assistant<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-suc-card-text\">An AI tool reads the user&#8217;s entire inbox to understand context, draft replies in the user&#8217;s voice, prioritize conversations, and take actions on their behalf. This requires <strong>full read access via OAuth<\/strong> to all messages, threads, labels, and attachments. No transactional API can do this &#8211; it is purely in the sync email API domain.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-suc-card-tag\"><span>Sync &#8211; full inbox read access<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-suc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-suc-card-title\">Helpdesk with Email Sync<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-suc-card-text\">A customer support platform syncs a shared support inbox (e.g. support@company.com) via IMAP or Microsoft Graph. Every incoming ticket is pulled into the helpdesk. Agents reply from within the platform, and those replies appear as coming from the <strong>support team&#8217;s real email address<\/strong>, not from a third-party relay. The conversation stays native to the customer&#8217;s inbox.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-suc-card-tag\"><span>Sync &#8211; shared mailbox via IMAP or Graph<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-suc-cta-row\"><!-- [et_pb_line_break_holder] -->      <a class=\"svt-suc-cta\" href=\"https:\/\/dashboard.unipile.com\/signup\/\" target=\"_blank\" rel=\"noopener\"><!-- [et_pb_line_break_holder] -->        <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <span>Build it with Unipile<\/span><!-- [et_pb_line_break_holder] -->      <\/a><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] 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[et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc.svt-txuc-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1100px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.18) !important;<!-- [et_pb_line_break_holder] -->  color: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-h2 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 35px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.2 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-intro {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.75 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-grid {<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: repeat(2, 1fr) !important;<!-- [et_pb_line_break_holder] -->  gap: 24px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-card {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 16px !important;<!-- [et_pb_line_break_holder] -->  padding: 28px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-card-icon {<!-- [et_pb_line_break_holder] -->  width: 44px !important;<!-- [et_pb_line_break_holder] -->  height: 44px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.15) !important;<!-- [et_pb_line_break_holder] -->  border-radius: 12px !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  justify-content: center !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-card-icon svg {<!-- [et_pb_line_break_holder] -->  width: 22px !important;<!-- [et_pb_line_break_holder] -->  height: 22px !important;<!-- [et_pb_line_break_holder] -->  stroke: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-card-title {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 10px !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.35 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-card-text {<!-- [et_pb_line_break_holder] -->  font-size: 14.5px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.7 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-card-text strong {<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-card-tag {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.15) !important;<!-- [et_pb_line_break_holder] -->  color: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->  padding: 4px 10px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 6px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-disclaimer {<!-- [et_pb_line_break_holder] -->  margin-top: 40px !important;<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 12px !important;<!-- [et_pb_line_break_holder] -->  padding: 20px 24px !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  gap: 14px !important;<!-- [et_pb_line_break_holder] -->  align-items: flex-start !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-disclaimer svg {<!-- [et_pb_line_break_holder] -->  width: 20px !important;<!-- [et_pb_line_break_holder] -->  height: 20px !important;<!-- [et_pb_line_break_holder] -->  stroke: #94a3b8 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->  margin-top: 1px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-disclaimer-text {<!-- [et_pb_line_break_holder] -->  font-size: 14px !important;<!-- [et_pb_line_break_holder] -->  color: #4a5568 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.65 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-txuc .svt-txuc-disclaimer-text strong {<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-txuc.svt-txuc-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-txuc .svt-txuc-grid { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-txuc .svt-txuc-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-txuc.svt-txuc-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-txuc .svt-txuc-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-tx-usecases\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-txuc\" class=\"svt-txuc-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-txuc-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-txuc-eyebrow\"><span>Transactional Email API<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-txuc-h2\">4 Products That Need a Transactional Email API<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-txuc-intro\">These use cases are system-to-user communications. The email is generated by your product, sent from your domain, and the user only receives it &#8211; no inbox reading required. Unipile does not cover this market, and that is intentional.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-txuc-grid\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-txuc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><rect x=\"3\" y=\"11\" width=\"18\" height=\"11\" rx=\"2\" ry=\"2\"\/><path d=\"M7 11V7a5 5 0 0 1 10 0v4\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-title\">Password Reset Flow<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-txuc-card-text\">When a user clicks &#8220;forgot password,&#8221; your backend generates a one-time token and sends an email from <strong>noreply@yourapp.com<\/strong>. This is purely your domain, your template, your SMTP relay. The user&#8217;s inbox is not involved in the authentication &#8211; they just receive the email. This is the archetypal transactional use case.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-txuc-card-tag\"><span>Transactional &#8211; system to user<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-txuc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M6 2L3 6v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V6l-3-4z\"\/><line x1=\"3\" y1=\"6\" x2=\"21\" y2=\"6\"\/><path d=\"M16 10a4 4 0 0 1-8 0\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-title\">Order Receipt and Invoice<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-txuc-card-text\">E-commerce platforms send order confirmations from <strong>orders@yourstore.com<\/strong>. This is a system-triggered email at scale &#8211; potentially millions per day. Deliverability matters, bounce management matters, open tracking matters. A transactional provider like Postmark or AWS SES is built precisely for this high-volume, low-latency pattern.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-txuc-card-tag\"><span>Transactional &#8211; high volume system email<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-txuc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M15 3h4a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2h-4\"\/><polyline points=\"10 17 15 12 10 7\"\/><line x1=\"15\" y1=\"12\" x2=\"3\" y2=\"12\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-title\">Magic Link Authentication<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-txuc-card-text\">Passwordless auth flows send a <strong>time-limited login link<\/strong> from your domain. The recipient clicks the link to authenticate. This requires speed (under 10 seconds), reliability, and spam-folder avoidance. Transactional providers optimize for these exactly. No inbox sync is needed &#8211; the user never sends back a reply.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-txuc-card-tag\"><span>Transactional &#8211; auth flow<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-txuc-card\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-icon\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\/><polyline points=\"22,6 12,13 2,6\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-txuc-card-title\">Marketing Newsletter Campaign<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <pee class=\"svt-txuc-card-text\">Your marketing team sends a weekly newsletter from <strong>news@yourcompany.com<\/strong> to 50,000 subscribers. You need list management, unsubscribe handling, open rate analytics, and spam complaint monitoring &#8211; all features built into transactional email platforms. This is definitively not a sync email use case.<\/pee><!-- [et_pb_line_break_holder] -->        <span class=\"svt-txuc-card-tag\"><span>Transactional &#8211; bulk from your domain<\/span><\/span><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-txuc-disclaimer\"><!-- [et_pb_line_break_holder] -->      <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><line x1=\"12\" y1=\"8\" x2=\"12\" y2=\"12\"\/><line x1=\"12\" y1=\"16\" x2=\"12.01\" y2=\"16\"\/><\/svg><!-- [et_pb_line_break_holder] -->      <pee class=\"svt-txuc-disclaimer-text\"><strong>Unipile does not compete in the transactional market.<\/strong> If these use cases describe your needs, look at SendGrid, Resend, Mailgun, Postmark, or AWS SES. They are excellent at what they do and there is no reason to force a sync API into a transactional workflow.<\/pee><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; da_disable_devices=&#8221;off|off|off&#8221; use_custom_width=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_code _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid,<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid *,<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- [et_pb_line_break_holder] -->  outline: none !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid.svt-hyb-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1100px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-dot {<!-- [et_pb_line_break_holder] -->  width: 7px !important;<!-- [et_pb_line_break_holder] -->  height: 7px !important;<!-- [et_pb_line_break_holder] -->  background: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-h2 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 35px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.2 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-intro {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.75 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-example {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 16px !important;<!-- [et_pb_line_break_holder] -->  padding: 36px 32px !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 32px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-example-title {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 18px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 8px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-example-sub {<!-- [et_pb_line_break_holder] -->  font-size: 14.5px !important;<!-- [et_pb_line_break_holder] -->  color: #6b7280 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 32px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-direction: column !important;<!-- [et_pb_line_break_holder] -->  gap: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-row {<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 40px 1fr !important;<!-- [et_pb_line_break_holder] -->  gap: 0 !important;<!-- [et_pb_line_break_holder] -->  align-items: stretch !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-box {<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 12px !important;<!-- [et_pb_line_break_holder] -->  padding: 16px 18px !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-direction: column !important;<!-- [et_pb_line_break_holder] -->  gap: 6px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-box-sync {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.06) !important;<!-- [et_pb_line_break_holder] -->  border-color: rgba(59, 185, 139, 0.3) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-box-tx {<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.08) !important;<!-- [et_pb_line_break_holder] -->  border-color: rgba(221, 223, 76, 0.4) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-label {<!-- [et_pb_line_break_holder] -->  font-size: 10px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-label-sync { color: #2aaa7e !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-label-tx { color: #8a8c2e !important; }<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-action {<!-- [et_pb_line_break_holder] -->  font-size: 13.5px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-desc {<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  color: #6b7280 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-mid {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  justify-content: center !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-mid svg {<!-- [et_pb_line_break_holder] -->  width: 18px !important;<!-- [et_pb_line_break_holder] -->  height: 18px !important;<!-- [et_pb_line_break_holder] -->  stroke: #94a3b8 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-sep {<!-- [et_pb_line_break_holder] -->  height: 10px !important;<!-- [et_pb_line_break_holder] -->  grid-column: 1 \/ span 3 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-divider {<!-- [et_pb_line_break_holder] -->  grid-column: 1 \/ span 3 !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 12px !important;<!-- [et_pb_line_break_holder] -->  margin: 8px 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-divider-line {<!-- [et_pb_line_break_holder] -->  flex: 1 !important;<!-- [et_pb_line_break_holder] -->  height: 1px !important;<!-- [et_pb_line_break_holder] -->  background: #e5e7eb !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-arch-divider-label {<!-- [et_pb_line_break_holder] -->  font-size: 11px !important;<!-- [et_pb_line_break_holder] -->  color: #94a3b8 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-takeaway {<!-- [et_pb_line_break_holder] -->  background: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  border-radius: 16px !important;<!-- [et_pb_line_break_holder] -->  padding: 32px 36px !important;<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 1fr !important;<!-- [et_pb_line_break_holder] -->  gap: 24px !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-takeaway-text {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: rgba(255,255,255,0.9) !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.7 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-takeaway-text strong {<!-- [et_pb_line_break_holder] -->  color: #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-takeaway-cta {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  padding: 14px 28px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 8px !important;<!-- [et_pb_line_break_holder] -->  font-size: 0.95rem !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  border: 2px solid #DDDF4C !important;<!-- [et_pb_line_break_holder] -->  cursor: pointer !important;<!-- [et_pb_line_break_holder] -->  white-space: nowrap !important;<!-- [et_pb_line_break_holder] -->  transition: transform 0.3s ease !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-takeaway-cta:hover {<!-- [et_pb_line_break_holder] -->  transform: translateY(-5px) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-takeaway-cta svg {<!-- [et_pb_line_break_holder] -->  width: 16px !important;<!-- [et_pb_line_break_holder] -->  height: 16px !important;<!-- [et_pb_line_break_holder] -->  stroke: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-hybrid .svt-hyb-takeaway-right {<!-- [et_pb_line_break_holder] -->  text-align: center !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid.svt-hyb-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid .svt-hyb-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid .svt-hyb-arch-row { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid .svt-hyb-arch-mid { display: none !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid .svt-hyb-takeaway { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid.svt-hyb-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid .svt-hyb-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid .svt-hyb-example { padding: 24px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-hybrid .svt-hyb-takeaway { padding: 24px 20px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-hybrid\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-hybrid\" class=\"svt-hyb-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-hyb-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-hyb-eyebrow\"><span class=\"svt-hyb-dot\"><\/span><span>Architecture Insight<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-hyb-h2\">You Might Actually Need Both<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-hyb-intro\">Many mature SaaS products need both answers to the sync vs transactional email api question simultaneously &#8211; using both for different flows within the same product. A CRM, for example, might use sync email to log sales conversations AND transactional email to send password resets to its own users. These are not competing systems &#8211; they run in parallel.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-hyb-example\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-hyb-example-title\">Example: A B2B CRM Platform<\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-hyb-example-sub\">Two completely different email flows, two completely different APIs<\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-hyb-arch\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-hyb-arch-row\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-box svt-hyb-arch-box-sync\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-label svt-hyb-arch-label-sync\">Sync Email API (Unipile)<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-action\">Sales rep sends outreach to lead<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-desc\">From: alice@her-company.com &#8211; via OAuth link to her Gmail &#8211; appears in her Sent folder<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-mid\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><polyline points=\"19 12 12 19 5 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-box svt-hyb-arch-box-sync\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-label svt-hyb-arch-label-sync\">Sync Email API (Unipile)<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-action\">CRM logs lead&#8217;s reply automatically<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-desc\">Reply synced to CRM timeline via inbox read &#8211; OAuth scope<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-hyb-arch-divider\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-divider-line\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->          <span class=\"svt-hyb-arch-divider-label\">meanwhile, separately&#8230;<\/span><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-divider-line\"><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-hyb-arch-row\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-box svt-hyb-arch-box-tx\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-label svt-hyb-arch-label-tx\">Transactional API (e.g. Resend)<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-action\">CRM sends password reset to Alice<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-desc\">From: noreply@yourcrm.com &#8211; your domain, your template, SMTP relay<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-mid\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><polyline points=\"19 12 12 19 5 12\"\/><\/svg><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-hyb-arch-box svt-hyb-arch-box-tx\"><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-label svt-hyb-arch-label-tx\">Transactional API (e.g. Resend)<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-action\">CRM sends weekly usage report to Alice<\/span><!-- [et_pb_line_break_holder] -->            <span class=\"svt-hyb-arch-desc\">System digest from reports@yourcrm.com &#8211; purely transactional<\/span><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-hyb-takeaway\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-hyb-takeaway-text\">The sync email API layer (Unipile) handles <strong>user-to-user communication<\/strong> flowing through real mailboxes. The transactional layer handles <strong>system-to-user notifications<\/strong> from your product domain. Both run in the same app, with completely separate API integrations.<\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-hyb-takeaway-right\"><!-- [et_pb_line_break_holder] -->        <a class=\"svt-hyb-takeaway-cta\" href=\"https:\/\/dashboard.unipile.com\/signup\/\" target=\"_blank\" rel=\"noopener\"><!-- [et_pb_line_break_holder] -->          <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><!-- [et_pb_line_break_holder] -->          <span>Build your sync layer<\/span><!-- [et_pb_line_break_holder] -->        <\/a><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; da_disable_devices=&#8221;off|off|off&#8221; use_custom_width=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_code _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-providers,<!-- [et_pb_line_break_holder] -->#unipile-svt-providers *,<!-- [et_pb_line_break_holder] -->#unipile-svt-providers *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-providers *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- [et_pb_line_break_holder] -->  outline: none !important;<!-- [et_pb_line_break_holder] -->  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: normal !important;<!-- [et_pb_line_break_holder] -->  text-transform: none !important;<!-- [et_pb_line_break_holder] -->  text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  list-style: none !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers.svt-prov-wrapper {<!-- [et_pb_line_break_holder] -->  display: block !important;<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  padding: 80px 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-inner {<!-- [et_pb_line_break_holder] -->  max-width: 1100px !important;<!-- [et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-eyedot {<!-- [et_pb_line_break_holder] -->  width: 7px !important;<!-- [et_pb_line_break_holder] -->  height: 7px !important;<!-- [et_pb_line_break_holder] -->  background: #3BB98B !important;<!-- [et_pb_line_break_holder] -->  border-radius: 50% !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-h2 {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 35px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.2 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-intro {<!-- [et_pb_line_break_holder] -->  font-size: 17px !important;<!-- [et_pb_line_break_holder] -->  color: #383838 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.75 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 40px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-intro a {<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  text-decoration: underline !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-cols {<!-- [et_pb_line_break_holder] -->  display: grid !important;<!-- [et_pb_line_break_holder] -->  grid-template-columns: 1fr 1fr !important;<!-- [et_pb_line_break_holder] -->  gap: 32px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-col-title {<!-- [et_pb_line_break_holder] -->  font-family: 'Poppins', sans-serif !important;<!-- [et_pb_line_break_holder] -->  font-size: 15px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 16px !important;<!-- [et_pb_line_break_holder] -->  padding-bottom: 12px !important;<!-- [et_pb_line_break_holder] -->  border-bottom: 2px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 10px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-col-title-badge {<!-- [et_pb_line_break_holder] -->  display: inline-block !important;<!-- [et_pb_line_break_holder] -->  padding: 3px 8px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 4px !important;<!-- [et_pb_line_break_holder] -->  font-size: 11px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-badge-sync-col {<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-badge-tx-col {<!-- [et_pb_line_break_holder] -->  background: rgba(221, 223, 76, 0.18) !important;<!-- [et_pb_line_break_holder] -->  color: #8a8c2e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-list {<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  flex-direction: column !important;<!-- [et_pb_line_break_holder] -->  gap: 12px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->  border-radius: 12px !important;<!-- [et_pb_line_break_holder] -->  padding: 16px 18px !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  gap: 14px !important;<!-- [et_pb_line_break_holder] -->  align-items: flex-start !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item-star {<!-- [et_pb_line_break_holder] -->  border-color: rgba(59, 185, 139, 0.35) !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.03) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item-icon {<!-- [et_pb_line_break_holder] -->  width: 36px !important;<!-- [et_pb_line_break_holder] -->  height: 36px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 8px !important;<!-- [et_pb_line_break_holder] -->  background: #f4f5f7 !important;<!-- [et_pb_line_break_holder] -->  display: flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  justify-content: center !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->  overflow: hidden !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item-icon img {<!-- [et_pb_line_break_holder] -->  width: 24px !important;<!-- [et_pb_line_break_holder] -->  height: 24px !important;<!-- [et_pb_line_break_holder] -->  object-fit: contain !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item-info {<!-- [et_pb_line_break_holder] -->  flex: 1 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item-name {<!-- [et_pb_line_break_holder] -->  font-size: 14px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  margin-bottom: 4px !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item-desc {<!-- [et_pb_line_break_holder] -->  font-size: 13px !important;<!-- [et_pb_line_break_holder] -->  color: #6b7280 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.5 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-item-star .svt-prov-item-name {<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-link-row {<!-- [et_pb_line_break_holder] -->  margin-top: 20px !important;<!-- [et_pb_line_break_holder] -->  padding-top: 16px !important;<!-- [et_pb_line_break_holder] -->  border-top: 1px solid #e5e7eb !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-link {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 6px !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  font-size: 14px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  text-decoration: underline !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-providers .svt-prov-link svg {<!-- [et_pb_line_break_holder] -->  width: 14px !important;<!-- [et_pb_line_break_holder] -->  height: 14px !important;<!-- [et_pb_line_break_holder] -->  stroke: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-providers.svt-prov-wrapper { padding: 60px 20px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-providers .svt-prov-cols { grid-template-columns: 1fr !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-providers .svt-prov-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-providers.svt-prov-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-providers .svt-prov-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-providers\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-providers\" class=\"svt-prov-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-prov-inner\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-prov-eyebrow\"><span class=\"svt-prov-eyedot\"><\/span><span>Provider Directory<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-prov-h2\">Sync and Transactional Email API Providers: An Honest Directory<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-prov-intro\">The sync vs transactional email api markets each have completely different vendor ecosystems. Here is a clear-eyed overview of both. For a deeper technical comparison of sync providers, see our <a href=\"https:\/\/www.unipile.com\/email-api-providers\/\" rel=\"noopener\">full email API providers comparison<\/a>.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-prov-cols\"><!-- [et_pb_line_break_holder] -->      <\/p>\n<div><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-prov-col-title\"><!-- [et_pb_line_break_holder] -->          <span>Sync Email API Providers<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-prov-col-title-badge svt-badge-sync-col\">OAuth user-side<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-prov-list\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item svt-prov-item-star\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <img decoding=\"async\" src=\"https:\/\/www.unipile.com\/wp-content\/uploads\/2024\/03\/unipile-api.svg\" alt=\"Unipile logo\" width=\"24\" height=\"24\"><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Unipile (recommended)<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Unified sync email API covering Gmail, Outlook, and IMAP with one integration. Read, send, sync, and webhook across all three providers via a single OAuth flow. SOC2 Type II and CASA Tier 2 certified.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <img decoding=\"async\" src=\"https:\/\/www.unipile.com\/wp-content\/uploads\/2024\/02\/gmail-3.svg\" alt=\"Gmail API logo\" width=\"24\" height=\"24\"><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Gmail API (Google)<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Google&#8217;s native REST API for Gmail. Powerful but scoped to Gmail only. Requires Google OAuth, GCP app registration, and ongoing quota management. Free within quotas.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <img decoding=\"async\" src=\"https:\/\/www.unipile.com\/wp-content\/uploads\/2024\/02\/outlook-2.svg\" alt=\"Microsoft Graph logo\" width=\"24\" height=\"24\"><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Microsoft Graph (Outlook + M365)<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Microsoft&#8217;s REST API covering personal Outlook, Microsoft 365, and Exchange Online. OAuth via Microsoft Identity Platform. Covers the entire Microsoft email universe.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <img decoding=\"async\" src=\"https:\/\/www.unipile.com\/wp-content\/uploads\/2024\/02\/imap-1.svg\" alt=\"IMAP protocol logo\" width=\"24\" height=\"24\"><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">IMAP (universal)<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">The universal fallback protocol supported by almost every email host. More complex to implement correctly (persistent connections, IDLE polling, XOAUTH2). Works where Gmail API and MS Graph do not.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div style=\"width:24px !important;height:24px !important;background:#1a1a1a !important;border-radius:4px !important;display:flex !important;align-items:center !important;justify-content:center !important;\"><!-- [et_pb_line_break_holder] -->                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffffff\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\/><polyline points=\"22,6 12,13 2,6\"\/><\/svg><!-- [et_pb_line_break_holder] -->              <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Nylas<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Unified email, calendar, and contacts API. Similar positioning to Unipile. Uses the term &#8220;contextual&#8221; for what we call sync. Enterprise-focused pricing.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div style=\"width:24px !important;height:24px !important;background:#f0f4ff !important;border-radius:4px !important;display:flex !important;align-items:center !important;justify-content:center !important;\"><!-- [et_pb_line_break_holder] -->                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#4a5568\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M4 4h16c1.1 0 2 .9 2 2v12c0 1.1-.9 2-2 2H4c-1.1 0-2-.9-2-2V6c0-1.1.9-2 2-2z\"\/><polyline points=\"22,6 12,13 2,6\"\/><\/svg><!-- [et_pb_line_break_holder] -->              <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Aurinko<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Unified email and calendar sync API. Lighter-weight alternative to Nylas. Good for calendar-heavy workflows. Smaller provider footprint.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-prov-link-row\"><!-- [et_pb_line_break_holder] -->          <a class=\"svt-prov-link\" href=\"https:\/\/www.unipile.com\/email-api-providers\/\" rel=\"noopener\"><!-- [et_pb_line_break_holder] -->            <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><!-- [et_pb_line_break_holder] -->            <span>Full sync provider comparison<\/span><!-- [et_pb_line_break_holder] -->          <\/a><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/p>\n<div><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-prov-col-title\"><!-- [et_pb_line_break_holder] -->          <span>Transactional Email API Providers<\/span><!-- [et_pb_line_break_holder] -->          <span class=\"svt-prov-col-title-badge svt-badge-tx-col\">SMTP relay<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-prov-list\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div style=\"width:24px !important;height:24px !important;background:#1a82e2 !important;border-radius:4px !important;display:flex !important;align-items:center !important;justify-content:center !important;\"><!-- [et_pb_line_break_holder] -->                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffffff\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><line x1=\"22\" y1=\"2\" x2=\"11\" y2=\"13\"\/><polygon points=\"22 2 15 22 11 13 2 9 22 2\"\/><\/svg><!-- [et_pb_line_break_holder] -->              <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">SendGrid (Twilio)<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">The market leader for transactional and marketing email. Handles billions of emails per day. Strong deliverability tools, IP warm-up programs, and analytics. Free tier up to 100 emails\/day.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div style=\"width:24px !important;height:24px !important;background:#c9223e !important;border-radius:4px !important;display:flex !important;align-items:center !important;justify-content:center !important;\"><!-- [et_pb_line_break_holder] -->                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffffff\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><line x1=\"22\" y1=\"2\" x2=\"11\" y2=\"13\"\/><polygon points=\"22 2 15 22 11 13 2 9 22 2\"\/><\/svg><!-- [et_pb_line_break_holder] -->              <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Mailgun<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Developer-first transactional email. Known for flexible routing, email parsing (inbound webhook), and strong SMTP relay. Popular with dev teams building complex email pipelines.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div style=\"width:24px !important;height:24px !important;background:#000000 !important;border-radius:4px !important;display:flex !important;align-items:center !important;justify-content:center !important;\"><!-- [et_pb_line_break_holder] -->                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#ffffff\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><line x1=\"22\" y1=\"2\" x2=\"11\" y2=\"13\"\/><polygon points=\"22 2 15 22 11 13 2 9 22 2\"\/><\/svg><!-- [et_pb_line_break_holder] -->              <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Resend<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Modern developer-first transactional API built for React Email templates. Clean API design, great DX, fast adoption in the Next.js\/Vercel ecosystem. Generous free tier.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div style=\"width:24px !important;height:24px !important;background:#ffcc00 !important;border-radius:4px !important;display:flex !important;align-items:center !important;justify-content:center !important;\"><!-- [et_pb_line_break_holder] -->                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#333\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><line x1=\"22\" y1=\"2\" x2=\"11\" y2=\"13\"\/><polygon points=\"22 2 15 22 11 13 2 9 22 2\"\/><\/svg><!-- [et_pb_line_break_holder] -->              <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">Postmark<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Best-in-class for delivery speed and inbox placement. Deliberately focused on transactional only (not marketing). Beloved by SaaS founders for reliable password resets and notifications.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-prov-item\"><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-icon\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div style=\"width:24px !important;height:24px !important;background:#ff9900 !important;border-radius:4px !important;display:flex !important;align-items:center !important;justify-content:center !important;\"><!-- [et_pb_line_break_holder] -->                <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"#333\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><line x1=\"22\" y1=\"2\" x2=\"11\" y2=\"13\"\/><polygon points=\"22 2 15 22 11 13 2 9 22 2\"\/><\/svg><!-- [et_pb_line_break_holder] -->              <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->            <\/p>\n<div class=\"svt-prov-item-info\"><!-- [et_pb_line_break_holder] -->              <\/p>\n<div class=\"svt-prov-item-name\">AWS SES<\/div>\n<p><!-- [et_pb_line_break_holder] -->              <pee class=\"svt-prov-item-desc\">Amazon Simple Email Service. Extremely cheap at scale (under $0.10\/1000 emails). No frills UI, requires manual deliverability configuration. Standard choice for high-volume teams already on AWS infrastructure.<\/pee><!-- [et_pb_line_break_holder] -->            <\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-prov-link-row\"><!-- [et_pb_line_break_holder] -->          <span style=\"font-size:13px !important; color:#94a3b8 !important;\">These providers are not competitors to Unipile &#8211; they serve a different market entirely.<\/span><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; da_disable_devices=&#8221;off|off|off&#8221; use_custom_width=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221; da_is_popup=&#8221;off&#8221; da_exit_intent=&#8221;off&#8221; da_has_close=&#8221;on&#8221; da_alt_close=&#8221;off&#8221; da_dark_close=&#8221;off&#8221; da_not_modal=&#8221;on&#8221; da_is_singular=&#8221;off&#8221; da_with_loader=&#8221;off&#8221; da_has_shadow=&#8221;on&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; background_color=&#8221;transparent&#8221; max_width=&#8221;100%&#8221; custom_padding=&#8221;0px|0px|0px|0px&#8221; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;][et_pb_code _builder_version=&#8221;4.27.0&#8243; global_colors_info=&#8221;{}&#8221; theme_builder_area=&#8221;post_content&#8221;]<script type=\"application\/ld+json\"><!-- [et_pb_line_break_holder] -->{<!-- [et_pb_line_break_holder] -->  \"@context\": \"https:\/\/schema.org\",<!-- [et_pb_line_break_holder] -->  \"@type\": \"FAQPage\",<!-- [et_pb_line_break_holder] -->  \"mainEntity\": [<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"What is the difference between sync and transactional email APIs?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"A sync email API connects to a user's existing mailbox (Gmail, Outlook, IMAP) via OAuth 2.0 and lets your app send from that user's address, read their inbox, and sync threads. A transactional email API connects your app to an SMTP relay via a single API key so you can send system emails (password resets, order receipts) from your own domain. They are completely separate markets with different authentication, pricing, and use cases.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Can I use one API for both sync and transactional email?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"No. The two architectures are fundamentally incompatible. Sync email APIs use per-user OAuth tokens to access individual mailboxes, while transactional APIs use a single API key tied to your domain's SMTP relay. You need separate integrations for each, but they can coexist in the same application without conflict.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Is the Gmail API transactional or sync?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"The Gmail API is a sync email API. It requires OAuth 2.0 per user, sends from the authenticated user's Gmail address, and can read inbox content. It is not a transactional relay. If you need to send emails from your own domain at high volume, you need a different tool like SendGrid or Resend.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Which is cheaper at 100,000 emails per month?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"It depends entirely on which type you need. Transactional providers charge per email sent: at 100k emails\/month, AWS SES costs roughly $10, SendGrid around $19.95, and Resend around $20. Sync email APIs charge per linked account per month, not per email. If you have 100 users each sending 1,000 emails, the cost is based on those 100 accounts, not the 100,000 emails. The two cannot be compared directly because they price different units.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Do I need OAuth for sync email?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"Yes. OAuth 2.0 is mandatory for Gmail API and Microsoft Graph (which covers Outlook and Microsoft 365). For IMAP, OAuth is strongly recommended but some servers still accept app passwords. Unipile handles the full OAuth flow across all three providers, including token refresh, so you do not need to implement it from scratch per provider.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Can SendGrid sync user inboxes?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"No. SendGrid is a transactional email provider. It can send emails from your domain via SMTP relay and track delivery events, bounces, and opens. It cannot read a user's inbox, sync their threads, or send emails on behalf of a user's personal address. These are fundamentally different capabilities.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Which type of email API is better for a CRM?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"A sync email API. CRMs need to log email conversations that happen between sales reps and contacts, with emails sent from the rep's own address. The replies land in the rep's real inbox and need to be synced back into the CRM. This bidirectional read-write flow over a user's mailbox requires OAuth-based sync, not a transactional relay.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    },<!-- [et_pb_line_break_holder] -->    {<!-- [et_pb_line_break_holder] -->      \"@type\": \"Question\",<!-- [et_pb_line_break_holder] -->      \"name\": \"Can I migrate from a transactional to a sync email API?\",<!-- [et_pb_line_break_holder] -->      \"acceptedAnswer\": {<!-- [et_pb_line_break_holder] -->        \"@type\": \"Answer\",<!-- [et_pb_line_break_holder] -->        \"text\": \"Only if your use case changes. If you were sending password resets from your domain and now want to let users send emails from their own inboxes through your app, you add a sync email API alongside your existing transactional setup - you do not replace it. The two serve different email flows and typically coexist in mature products.\"<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    }<!-- [et_pb_line_break_holder] -->  ]<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/script><!-- [et_pb_line_break_holder] --><link href=\"https:\/\/fonts.googleapis.com\/css2?family=Inter:wght@400;500;600;700&#038;family=Poppins:wght@700;800&#038;display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->#unipile-svt-faq,<!-- [et_pb_line_break_holder] -->#unipile-svt-faq *,<!-- [et_pb_line_break_holder] -->#unipile-svt-faq *::before,<!-- [et_pb_line_break_holder] -->#unipile-svt-faq *::after {<!-- [et_pb_line_break_holder] -->  margin: 0 !important;<!-- [et_pb_line_break_holder] -->  padding: 0 !important;<!-- [et_pb_line_break_holder] -->  box-sizing: border-box !important;<!-- [et_pb_line_break_holder] -->  border: none !important;<!-- 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[et_pb_line_break_holder] -->  margin: 0 auto !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-faq .svt-faq-eyebrow {<!-- [et_pb_line_break_holder] -->  display: inline-flex !important;<!-- [et_pb_line_break_holder] -->  align-items: center !important;<!-- [et_pb_line_break_holder] -->  gap: 8px !important;<!-- [et_pb_line_break_holder] -->  background: rgba(59, 185, 139, 0.12) !important;<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  padding: 6px 14px !important;<!-- [et_pb_line_break_holder] -->  border-radius: 20px !important;<!-- [et_pb_line_break_holder] -->  font-size: 12px !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->  text-transform: uppercase !important;<!-- [et_pb_line_break_holder] -->  letter-spacing: 0.5px !important;<!-- [et_pb_line_break_holder] -->  width: fit-content !important;<!-- [et_pb_line_break_holder] -->  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!important;<!-- [et_pb_line_break_holder] -->  font-size: 15px !important;<!-- [et_pb_line_break_holder] -->  color: #4a5568 !important;<!-- [et_pb_line_break_holder] -->  line-height: 1.78 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-faq .svt-faq-answer a {<!-- [et_pb_line_break_holder] -->  color: #2aaa7e !important;<!-- [et_pb_line_break_holder] -->  font-weight: 600 !important;<!-- [et_pb_line_break_holder] -->  text-decoration: underline !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-faq .svt-faq-answer strong {<!-- [et_pb_line_break_holder] -->  color: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  font-weight: 700 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-faq .svt-faq-cta-bar {<!-- [et_pb_line_break_holder] -->  background: #ffffff !important;<!-- [et_pb_line_break_holder] -->  border: 1px solid #e5e7eb !important;<!-- 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text-decoration: none !important;<!-- [et_pb_line_break_holder] -->  flex-shrink: 0 !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-faq .svt-faq-cta-btn:hover {<!-- [et_pb_line_break_holder] -->  transform: translateY(-3px) !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->#unipile-svt-faq .svt-faq-cta-btn svg {<!-- [et_pb_line_break_holder] -->  width: 14px !important;<!-- [et_pb_line_break_holder] -->  height: 14px !important;<!-- [et_pb_line_break_holder] -->  stroke: #0f2736 !important;<!-- [et_pb_line_break_holder] -->  fill: none !important;<!-- [et_pb_line_break_holder] -->  stroke-width: 2.5 !important;<!-- [et_pb_line_break_holder] -->  stroke-linecap: round !important;<!-- [et_pb_line_break_holder] -->  stroke-linejoin: round !important;<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 900px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-faq.svt-faq-wrapper { padding: 50px 16px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-faq .svt-faq-h2 { font-size: 28px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-faq .svt-faq-answer { padding: 0 16px 20px 16px !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] -->@media (max-width: 600px) {<!-- [et_pb_line_break_holder] -->  #unipile-svt-faq .svt-faq-h2 { font-size: 26px !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-faq .svt-faq-cta-bar { flex-direction: column !important; }<!-- [et_pb_line_break_holder] -->  #unipile-svt-faq .svt-faq-cta-btn { width: 100% !important; justify-content: center !important; }<!-- [et_pb_line_break_holder] -->}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><span id=\"svt-faq\" style=\"display:block;position:relative;top:-80px;visibility:hidden;\"><\/span><!-- [et_pb_line_break_holder] --><\/p>\n<div id=\"unipile-svt-faq\" class=\"svt-faq-wrapper\"><!-- [et_pb_line_break_holder] -->  <\/p>\n<div class=\"svt-faq-container\"><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-faq-eyebrow\"><span class=\"svt-faq-eyedot\"><\/span><span>FAQ<\/span><\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<h2 class=\"svt-faq-h2\">Frequently Asked Questions<\/h2>\n<p><!-- [et_pb_line_break_holder] -->    <pee class=\"svt-faq-intro\">Common questions about the sync vs transactional email api decision, from founders, developers, and product managers who landed on Unipile wondering if we are the right fit.<\/pee><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-faq-list\"><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">1<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">What is the difference between sync and transactional email APIs?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">A <strong>sync email API<\/strong> connects to a user&#8217;s existing mailbox (Gmail, Outlook, IMAP) via OAuth 2.0 and lets your app send from that user&#8217;s address, read their inbox, and sync threads. A <strong>transactional email API<\/strong> connects your app to an SMTP relay via a single API key so you can send system emails (password resets, order receipts) from your own domain. They are completely separate markets with different authentication, pricing, and use cases. For a full breakdown, see our <a href=\"https:\/\/www.unipile.com\/email-api-guide\/\" rel=\"noopener\">complete email API guide<\/a>.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">2<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">Can I use one API for both sync and transactional email?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">No. The two architectures are fundamentally incompatible. Sync email APIs use per-user OAuth tokens to access individual mailboxes, while transactional APIs use a single API key tied to your domain&#8217;s SMTP relay. You need separate integrations for each, but they can coexist in the same application without conflict. See our hybrid architecture section above for a real-world example.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">3<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">Is the Gmail API transactional or sync?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">The Gmail API is a <strong>sync email API<\/strong>. It requires OAuth 2.0 per user, sends from the authenticated user&#8217;s Gmail address, and can read inbox content. It is not a transactional relay. If you need to send emails from your own domain at high volume, you need a different tool like SendGrid or Resend. Learn more in our <a href=\"https:\/\/www.unipile.com\/read-email-api\/\" rel=\"noopener\">read email API guide<\/a>.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">4<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">Which is cheaper at 100,000 emails per month?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">It depends entirely on which type you need. Transactional providers charge per email sent: at 100k emails\/month, AWS SES costs roughly $10, SendGrid around $19.95, and Resend around $20. Sync email APIs charge per <strong>linked account per month<\/strong>, not per email. If you have 100 users each sending 1,000 emails, the cost is based on those 100 accounts, not the 100,000 emails. The two cannot be directly compared because they price different units. For sync pricing, see our <a href=\"https:\/\/www.unipile.com\/free-email-api\/\" rel=\"noopener\">free email API guide<\/a>.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">5<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">Do I need OAuth for a sync email API?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">Yes. OAuth 2.0 is mandatory for Gmail API and Microsoft Graph (which covers Outlook and Microsoft 365). For IMAP, OAuth is strongly recommended but some servers still accept app passwords. Unipile handles the full OAuth flow across all three providers, including token refresh, so you do not need to implement it from scratch per provider. Full details in our <a href=\"https:\/\/www.unipile.com\/oauth-email-api\/\" rel=\"noopener\">OAuth email API guide<\/a>.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">6<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">Can SendGrid sync user inboxes?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">No. SendGrid is a transactional email provider. It can send emails from your domain via SMTP relay and track delivery events, bounces, and opens. It <strong>cannot read a user&#8217;s inbox<\/strong>, sync their threads, or send emails on behalf of a user&#8217;s personal address. These are fundamentally different capabilities. If you need inbox sync, you are in the sync email API market.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">7<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">Which type of email API is better for a CRM?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">A <strong>sync email API<\/strong>, without question. CRMs need to log email conversations that happen between sales reps and contacts, with emails sent from the rep&#8217;s own address. The replies land in the rep&#8217;s real inbox and need to be synced back into the CRM automatically. This bidirectional read-write flow over a user&#8217;s mailbox requires OAuth-based sync, not a transactional relay. See our <a href=\"https:\/\/www.unipile.com\/email-api-for-saas\/\" rel=\"noopener\">Email API for SaaS guide<\/a> for more CRM-specific architecture patterns.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->      <\/p>\n<div class=\"svt-faq-item\"><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-header\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-num\">8<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-question\">Can I migrate from a transactional to a sync email API?<\/div>\n<p><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-toggle\"><svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"12\" y1=\"5\" x2=\"12\" y2=\"19\"\/><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><\/svg><\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/p>\n<div class=\"svt-faq-body\"><!-- [et_pb_line_break_holder] -->          <\/p>\n<div class=\"svt-faq-answer\">Only if your use case changes. If you were sending password resets from your domain and now want to let users send emails from their own inboxes through your app, you <strong>add a sync email API alongside your existing transactional setup<\/strong> &#8211; you do not replace it. The two serve different email flows and typically coexist in mature products. See the hybrid architecture example in this article for how they run in parallel.<\/div>\n<p><!-- [et_pb_line_break_holder] -->        <\/div>\n<p><!-- [et_pb_line_break_holder] -->      <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->    <\/p>\n<div class=\"svt-faq-cta-bar\"><!-- [et_pb_line_break_holder] -->      <pee class=\"svt-faq-cta-text\"><strong>Still unsure which you need?<\/strong> Our team can review your architecture and tell you in 10 minutes whether Unipile is the right fit for your product.<\/pee><!-- [et_pb_line_break_holder] -->      <a class=\"svt-faq-cta-btn\" href=\"javascript:void(0)\" onclick=\"if(window.$crisp){$crisp.push(['do','chat:open'])}\"><!-- [et_pb_line_break_holder] -->        <svg viewBox=\"0 0 24 24\" aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><!-- [et_pb_line_break_holder] -->        <span>Talk to an expert<\/span><!-- [et_pb_line_break_holder] -->      <\/a><!-- [et_pb_line_break_holder] -->    <\/div>\n<p><!-- [et_pb_line_break_holder] -->  <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><script><!-- [et_pb_line_break_holder] -->(function() {<!-- [et_pb_line_break_holder] -->  var items = document.querySelectorAll('#unipile-svt-faq .svt-faq-item');<!-- [et_pb_line_break_holder] -->  items.forEach(function(item) {<!-- [et_pb_line_break_holder] -->    var header = item.querySelector('.svt-faq-header');<!-- [et_pb_line_break_holder] -->    var body = item.querySelector('.svt-faq-body');<!-- [et_pb_line_break_holder] -->    if (!header || !body) return;<!-- [et_pb_line_break_holder] -->    header.addEventListener('click', function() {<!-- [et_pb_line_break_holder] -->      var isActive = item.classList.contains('active');<!-- [et_pb_line_break_holder] -->      items.forEach(function(i) {<!-- [et_pb_line_break_holder] -->        i.classList.remove('active');<!-- [et_pb_line_break_holder] -->        var b = i.querySelector('.svt-faq-body');<!-- [et_pb_line_break_holder] -->        if (b) b.classList.remove('open');<!-- [et_pb_line_break_holder] -->      });<!-- [et_pb_line_break_holder] -->      if (!isActive) {<!-- [et_pb_line_break_holder] -->        item.classList.add('active');<!-- [et_pb_line_break_holder] -->        body.classList.add('open');<!-- [et_pb_line_break_holder] -->      }<!-- [et_pb_line_break_holder] -->    });<!-- [et_pb_line_break_holder] -->  });<!-- [et_pb_line_break_holder] -->})();<!-- [et_pb_line_break_holder] --><\/script>[\/et_pb_code][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Unipile &#8211; Sync vs Transactional Hero (Light) Email API Strategy Sync vs TransactionalEmail APIs: Which OneDo You Actually Need? Two markets, two completely different architectures. If you are building a CRM, ATS, or AI inbox tool, you need a sync email API. If you are sending password resets, you need transactional. This guide helps you [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":278885,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[69,73],"tags":[],"post_folder":[],"class_list":["post-278883","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-api-guidelines","category-email-api-integration"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sync vs Transactional Email APIs: Which One Do You Actually Need? 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