Join Slack CommunityGoogle Calendar API to Create, Sync & Manage Events in Your App
Integrate Google Calendar into your software through Unipile's unified API. Create events, sync schedules, manage attendees and get real-time webhooks, skip months of OAuth complexity.
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POST /calendar-event
Schedule Meetings in Minutes with Google Calendar API
Easily integrate Google Calendar into your application. Create events, sync in real-time, manage attendees and auto-generate Google Meet links through a single unified API.
Create & manage events
Single or recurring events, custom reminders, attendees, and auto-generated Google Meet links in one API call.
Real-time webhooks
Instant notifications on every event change - created, updated or cancelled. No polling, no latency.
Attendee & availability management
Add attendees, track RSVPs and check availability across multiple Google accounts simultaneously.
OAuth handled for you
Token generation, refresh cycles and scope configuration managed automatically by Unipile.
Google
Core Capabilities of the
Google Calendar API
Everything you need to build powerful scheduling features, event management, real-time sync, OAuth and recurring events, all through a unified API endpoint.
Dynamic Event Management
Use our endpoints to create, update, delete and manage recurring events, attendees and conferencing with ease. Everything your scheduling feature needs in one place.
meet.google.com/abc-xyz-def
Auto
Real-Time Notifications
Implement real-time updates with webhooks, ensuring your app always stays in sync with calendar changes. Get instant push notifications, no polling, no delays.
Real-Time Event Stream
{
"event": "calendar.event.created",
"event_id": "evt_9xKq2mP...",
"account_id": "acc_7mBzRt...",
"meet_link": "meet.google.com/abc-xyz"
}
Automate Scheduling Across Calendar, Email & LinkedIn
Let your users build smart scheduling workflows, book events via Google Calendar, send confirmation emails automatically and add LinkedIn touchpoints, all powered by a single API.
Google Calendar
Gmail
Google Meet
LinkedIn
Google Calendar API Capabilities
Integrate Google Calendar and Outlook Calendar through a single unified API. Create, update, delete, and manage events across all major providers with consistent endpoints.
Account Connection
2 endpoints available
Google OutlookCalendar Management
2 endpoints available
Google OutlookEvent Management
8 endpoints available
Google OutlookWebhooks
3 events available
Google OutlookOutlook Calendar API Use Cases
Integrate Outlook Calendar into your platform. From enterprise recruiting to sales pipelines to multi-channel outreach, automate Microsoft 365 scheduling and streamline your workflow.
ATS Publisher
Auto-sync interview schedules with candidate Outlook calendars. Reduce no-shows and double-booking with real-time Microsoft 365 integration.
ATS Use Case
CRM Publisher
Sync all customer meetings directly into your CRM via Outlook. Track deal progress with full calendar context and meeting history across Microsoft 365.
CRM Use Case
Outreach
Schedule follow-up meetings through outreach sequences via Outlook. Auto-book meetings with availability checks across Microsoft 365 multi-channel campaigns.
Outreach Use CaseBuild Features into Your Product Today
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What's included
Google Calendar API Integration for Modern Apps
Connect Google Calendar in minutes. Simplified OAuth setup, no complex scopes. Create, update, and manage events across multiple calendars with a single unified API.
Simple Integration
Create events, manage calendars, and sync availability with a few lines of code. Our SDK handles OAuth, token refresh, and session management automatically.
// Connect to Google Calendar in seconds import { UnipileClient } from 'unipile-node-sdk'; const client = new UnipileClient({ dsn: 'https://api.unipile.com', token: process.env.UNIPILE_TOKEN }); // List user calendars const calendars = await client.calendar.listCalendars({ account_id: accountId }); // Create an event in primary calendar await client.calendar.createEvent({ account_id: accountId, calendar_id: calendars[0].id, title: 'Meeting with Elena', description: 'Discuss Q1 strategy', start_time: '2025-01-20T14:00:00Z', end_time: '2025-01-20T15:00:00Z', attendees: [{ email: 'elena@acme.com' }] }); // Get events with availability filter const events = await client.calendar.listEvents({ account_id: accountId, calendar_id: calendars[0].id, time_min: '2025-01-20T00:00:00Z', time_max: '2025-01-20T23:59:59Z' });
RESTful API
Clean, standardized endpoints with JSON responses. Create events, list calendars, and manage attendees through predictable REST calls.
Real-time Webhooks
Get instant notifications for event creation, updates, and deletions. Zero-latency event syncing across all calendar platforms.
Simplified Google OAuth
Skip the complex Google OAuth setup. Unipile handles authentication: consent screens, token refresh, scope management, and security reviews. Users connect in one click.
Multi-Calendar Support
Work with multiple calendars in one account. List, get, and manage events across primary and secondary calendars seamlessly.
Availability Checking
Check attendee availability across time zones. Find optimal meeting slots based on calendar occupancy and preferences.
Attendees & Invitations
Add attendees to events with automatic invitation sending. Track RSVP status and receive real-time notifications.
Time Zone Support
Automatic time zone conversion for events and attendees. Never worry about scheduling across global teams again.
Google OAuth, Simplified
Google OAuth verification is complex, consent screens, security reviews, CASA assessments, annual re-certifications. Unipile handles all of it, including the security compliance, so you can focus on building.
One dashboard for all your integrations
Manage all your LinkedIn, WhatsApp, Gmail accounts and more from a single, intuitive interface.
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