Unified API for Messaging, Enrichment & Scheduling

Unified messaging interface with API integration code sample and multi-channel icons

Integrate our email and messaging APIs to enable your users to converse directly through LinkedIn, Gmail, and WhatsApp, and trigger engagement actions like follow-ups, invites, or scheduling.

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Test the API for free

Documentation

Trusted by 2,000+ Leading SaaS Platforms

Accelerate Development with Unified Communication APIs

Logos of platforms integrated via API: LinkedIn, Instagram, WhatsApp, Facebook Messenger, Telegram, X, Gmail, Outlook, and Google Calendar

LinkedIn API interface with user actions

Social Media API

Send, receive, and reply to messages while engaging in conversations. LinkedIn, Instagram.

Unified inbox displaying emails from Gmail and Outlook accounts

Email API

Send, receive, and automate email workflows with seamless integration.
Gmail, Microsoft, IMAP/SMTP.

Messaging API

Unify all messaging channels for real-time communication.
LinkedIn, WhatsApp, Instagram, Telegram.

Weekly calendar view with events from Google Calendar and Microsoft Team

Calendar API

Synchronize events effortlessly and automate scheduling efficiently. Available for Google and Microsoft.

Build Automation & Outreach with Unipile

Data Extraction & Enrichment

Extract and enhance valuable data from multiple communication channels. Gain deeper insights by structuring and enriching user interactions for better decision-making and automation.

Sequences for Email, Messaging and Calendar

Effortlessly create and manage outreach campaigns with pre-configured automation, ensuring timely follow-ups and engagement.

Unified messaging history and real-time sync

Keep all user conversations in one place with real-time synchronization across email, messaging apps, and LinkedIn.

LinkedIn-like interface with advanced filters for lead extraction, including role, location, and industry

Visual sequence showing LinkedIn invite, message, email follow-up, and calendar scheduling

Unified inbox interface displaying multichannel messaging from LinkedIn, Gmail, WhatsApp, and Outlook

500+ Endpoints to Power Your Software

Unipile provides 500+ endpoints to integrate messaging, email, calendar, and user management across multiple providers like LinkedIn, WhatsApp, Gmail, and Outlook. Send and sync messages, automate outreach, manage profiles, and schedule events—all from a single API.

API Overview

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API Type

Endpoints

Description

Social API

Extract user data, posts, interactions, and LinkedIn-specific actions like invitations.

Email API

Send, receive, and organize emails with full support for attachments, folders, and tracking webhooks.

Messaging API

Automate and sync messaging conversations across multiple platforms, including attachments and webhooks.

Calendar API

Schedule, manage events and sync user calendar accounts.

API Overview

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API Type

Endpoints

Description

Social API

retrieve a profile perform LinkedIn search list all comments send an invitation more +

Extract user data, posts, interactions, and LinkedIn-specific actions like invitations.

Email API

list all emails send an email retrieve an email list all folders more +

Send, receive, and organize emails with full support for attachments, folders, and tracking webhooks.

Messaging API

list all chats start a new chat retrieve an attachment list all attendees send an InMail more +

Automate and sync messaging conversations across multiple platforms, including attachments and webhooks.

Calendar API

list all calendars retrieve a calendar create an event retrieve an event more +

Schedule, manage events and sync user calendar accounts.

List of provider features

Explore the Unipile Platform

Quick and Easy Account Connection

Connect accounts in seconds with a single API call, simplifying authentication and integration.

Secure and Scalable Account Linking

Ensure a smooth and secure authentication process, giving full control over connected accounts with minimal friction.

Explore the platform

Integrate in Days, Save Time & Resources

From startups to enterprise leaders, our clients span diverse industries, including ATS, CRM, Outreach, and iPaaS, leveraging Unipile to streamline their workflows and enhance productivity.

Build

Buy with Unipile

Build vs Buy with Unipile

Deployment Time

Months of development

Live in 2 days

Cost

High dev & maintenance costs

Clear pricing model

Feature Access

Limited to internal capabilities

Instant Access

Scalability

Engineering effort

Easy scaling

Maintenance

Continuous monitoring

Automatic updates & support

Quick Start: Instant API Access

Sign Up → Access your dashboard instantly
Connect Channels → Sync LinkedIn, Emails, WhatsApp, Calendars
Integrate & Automate → Manage messages, schedule meetings, and enhance workflows

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Code snippet of a POST request using Unipile API with a "2 days integration" label

Built-In Security and Compliance

SOC 2 Certification in Progress
We are on track to achieve SOC 2 certification, reinforcing trust with security standards.

99.9% Uptime Guarantee
Experience reliable performance to keep workflows seamless and uninterrupted.

GDPR Compliant
Ensure your users’ data is secure and compliant with leading industry certifications.

Global Security & Performance
Ensure seamless operations with a secure and high-performance API infrastructure.

World map made of hexagonal cells with yellow dots representing client or user locations

SOC 2 Certification in Progress
We are on track to achieve SOC 2 certification, reinforcing trust with security standards.

GDPR Compliant
Ensure your users’ data is secure and compliant with leading industry certifications.

World map made of hexagonal cells with yellow dots representing client or user locations</p>
<p>

Global Security & Performance
Ensure seamless operations with a secure and high-performance API infrastructure.

99.9% Uptime Guarantee
Experience reliable performance to keep workflows seamless and uninterrupted.

FAQs

What is the cost to start using Unipile's API ?

The cost starts at €49 / $55 per month, including up to 10 connected accounts. Additional accounts are billed based on the actual number of connected accounts. You can start with a free 7-day trial that includes all features, with no monthly charges or commitments, and no credit card required. See all details in Unipile pricing page.

What are the pricing details for Unipile's API plan?

Pricing is based on the number of accounts connected. For instance, if you have 3 Email accounts, 2 LinkedIn accounts, and 6 WhatsApp accounts, the total would be 11 accounts, costing €55 (11 x €5) or $60.5 (11 x $5.5). Charges are calculated based on the peak number of accounts simultaneously connected during the billing period, with all accounts listed on the dashboard home. Discounts are available based on volume; please contact us for more information.

Is there any commitment or contract required for the Pay As You Go plan?

No, there is no commitment or contract required for this plan. You can pay-as-you-go on a monthly basis.

Are the prices degressive based on volume?

Yes, prices are degressive based on the volume of accounts connected. For more detailed pricing information, please contact us directly.

Can I integrate unlimited accounts with instant messaging providers?

Yes, you can integrate accounts with various instant messaging providers. However, pricing is based on the number of accounts connected.

What platforms does Unipile support?

Unipile supports integration with various platforms for messaging, including WhatsApp, LinkedIn, Instagram, Messenger, Telegram, and X (Twitter). Unipile supports email providers such as Gmail, Outlook, IMAP and calendars such as Google and Microsoft.

Is Unipile’s API DMA compliant?

Yes. Our API is designed in line with the Digital Markets Act (DMA). We only enable secure messaging interoperability and never store or scrape user profiles.

Do I need to follow Meta’s Terms of Service when using Unipile?

Absolutely. You must always respect Meta’s TOS, using the API responsibly, avoiding spam or unauthorized automation, and focusing only on legitimate messaging use case

What functionalities are provided by the Messaging API Integration?

The Messaging API Integration provides targeted outreach, data enrichment, and inbox synchronization features to enhance your communication capabilities.

What kind of integration support does Unipile provide?

We offer a tailored onboarding experience that starts with a personalized integration call to align on your technical and product needs. You’ll also get two days of hands-on developer assistance, plus direct access to our founders for strategic guidance and live chat support throughout the process. For full details, please visit our integration page.