Sponsor of the Day:
Jerkmate
https://cal.com/unified
Cal.com Unified Calendar API
One Calendar API to rule them all.
calendar apiunified
https://calendarific.com/
Global Holiday Calendar API for National and Religious Holidays - Calendarific
Explore comprehensive holiday data worldwide with Calendarific. Access national holidays, local observances, and religious events with customizable API...
global holidaycalendar apireligious holidaysnationalcalendarific
https://www.schedjoules.com/
Interesting Public Calendar API for Calendar Apps
Add Interesting Public Calendars to your Calendar App and become the reliable and practical tool for your users to stay up-to-date. Join Calendar apps like...
public calendarinterestingapiapps
https://www.unipile.com/communication-api/calendar-api/google-calendar-api/
Effortlessly Integrate Google Calendar API Into Your Applications - Unipile
Jan 7, 2026 - Streamline scheduling, enhance user experience, and automate workflows with our seamless Google Calendar API solutions.
integrate google calendareffortlesslyapiapplicationsunipile
https://workspaceupdates.googleblog.com/2022/09/calendar-user-availability-api-beta.html
Google Workspace Updates: Calendar User Availability API launching to beta soon, sign-up now and...
google workspace updatescalendaruseravailabilityapi
https://www.localist.com/event-calendar-api
Online Event Calendar | Localist API
Localist's developer-friendly API is easy to use, and it makes your events, places, groups, photos, filters always accessible. How you use it is up to you.
online event calendarlocalistapi
https://www.nylas.com/
Nylas One Email, Calendar and Meeting API 2026 | Nylas
one emailapi 2026nylascalendarmeeting
https://www.addevent.com/c/documentation
Documentation for Add to Calendar button, Events and Calendars API
Documentation for Add to Calendar button, Dashboard, Events and Calendars, Direct URL Method, Analytics
documentationaddcalendarbuttonevents
https://www.recall.ai/product/calendar-integration-api
Calendar Integration API
Recall.ai provides a Calendar Integration API to help developers connect to their users' Google Calendar and Microsoft Outlook calendars. Schedule meeting...
calendar integrationapi