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Display, create, and modify Google Calendar events via OAuth.

APIDeveloper ToolsAuth: OAuthFree
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Updated 2026-06-15

What is Google Calendar?

The Google Calendar API provides access to Google Calendar data for displaying, creating, and modifying events.

It is useful for developers building applications that integrate with Google Calendar for event management.

What you can build with Google Calendar

Event Synchronization

Sync events between Google Calendar and third-party tools like CRMs or task managers to keep schedules consistent across platforms.

Appointment Booking

Build scheduling apps that check availability, create events, and send invites directly to users' Google Calendars.

Custom Dashboards

Display and manage calendar events inside internal team tools or mobile apps with read/write access.

Get started with Google Calendar

  1. 1Create a Google Cloud project and enable the Google Calendar API
  2. 2Configure OAuth 2.0 credentials and select required scopes
  3. 3Install an official client library for your programming language
  4. 4Implement OAuth authentication flow to obtain user consent
  5. 5Make HTTPS requests to list, create, or update events

Google Calendar: pros & cons

Pros

  • +Mature API with extensive documentation
  • +Reliable OAuth-based access control
  • +Supports webhooks for real-time notifications
  • +Broad language support via official libraries

Cons

  • OAuth setup adds initial complexity
  • Subject to quota and rate limits
  • Requires explicit user permission for each scope
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Frequently asked questions

It is a REST API that lets developers read, create, and modify calendar events on behalf of users after OAuth authorization.

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