Calendarific

Holiday API.

Visit Calendarific Docs

More in Calendars, Scheduling & Time

Google Calendar API

Create and manage Google Calendar events.

Microsoft Graph Calendar

Outlook calendar API.

Cal.com

Open-source scheduling with API.

Calendly API

Scheduling API.

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Category	Calendars, Scheduling & Time
Authentication	API key
Pricing	Free tier
Website	https://calendarific.com/
Docs	https://calendarific.com/api-documentation
Last checked	2026-10-14
As JSON	/api/v1/directory/calendarific.json