Calendar APIs Collection

API Docs
Festivo Holiday API

Festivo Holiday API

https

Public holiday API service for several supported countries.

freemium
Public
Calendar
API Docs
Calendarific

Calendarific

https

Calendarific is a simple way to get all holidays for any country in the world via a JSON API

freemium
apiKey
Calendar
API Docs
Nager.Date

Nager.Date

https

Public holidays for more than 90 countries

free
Public
Calendar
API Docs
Russian Calendar

Russian Calendar

https

Check if a date is a Russian holiday or not

free
Public
Calendar
API Docs
Hebrew Calendar

Hebrew Calendar

https

Convert between Gregarian and Hebrew, fetch Shabbat and Holiday times, etc.

free
Public
Calendar
API Docs
Google Calendar

Google Calendar

https

Display, create and modify Google calendar events

free
OAuth
Calendar
API Docs
Holidays

Holidays

https

API for obtaining information about holidays.

pro
apiKey
Calendar
API Docs
LectServe

LectServe

https

Protestant liturgical calendar

free
Public
Calendar