Google Calendar | Google for Developers

Develop Google Calendar solutions.

Enhance the Google Calendar experience

Insert interactive content, powered by your account data or an external service, with Add-ons.

Show contextual details from a third-party system when users view or create events.
Show your custom conferencing solution when users create an event.

View documentation Learn about Add-ons

Automate Google Calendar with simple code

Anyone can use Apps Script to automate and enhance Google Calendar in a web-based, low-code environment.

Create events based on Google Form submissions.
Update events or calendars from Google Sheets.
Insert calendar data into Google Sheets for review.

View documentation Learn about Apps Script

Connect your service to Google Calendar

Use the REST APIs below to interact programmatically with Google Calendar.

Calendar API

Read and update calendars with several popular programming languages, such as Java, JavaScript, and Python.

View documentation Try it out

CalDAV API

Use Google's CalDAV server to read and update calendar data.

View documentation

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2024-09-30 UTC.

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