Google Calendar
Display, create and modify Google calendar events
- Authentication
- OAuth
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Calendar
- Documentation / URL
- https://developers.google.com/google-apps/calendar/
Overview
Google Calendar provides calendar APIs — OAuth-based (a missing token returns 401, verified).
Quick Start
Calendar list (needs OAuth):
curl "https://www.googleapis.com/calendar/v3/users/me/calendarList" \
-H "Authorization: Bearer YOUR_TOKEN"
Authentication
- Google Cloud project → OAuth 2.0 credentials.
- Send it as
Authorization: Bearer(missing → 401, verified).
Rate Limits & Notes
- Free with limits (check the docs).
- Events, calendars.
FAQ
Is Google Calendar free? Yes — free with OAuth.
Why 401? An OAuth token is required (verified).
What’s the auth style? OAuth 2.0 Bearer.
More in Calendar
| API | Auth | HTTPS | CORS | |
|---|---|---|---|---|
| caldays Public holidays for 195+ countries | No auth | Yes | Yes | ↗ |
| Calendarific Worldwide Holidays | API Key | Yes | Unknown | ↗ |
| Checkiday - National Holiday Industry-leading holiday data with over 5,000 holidays and thousands of descriptions | API Key | Yes | Unknown | ↗ |
| Church Calendar Catholic liturgical calendar | No auth | No | Unknown | ↗ |
| Czech Namedays Calendar Lookup for a name and returns nameday date | No auth | No | Unknown | ↗ |