Category
Calendar APIs
22 APIs, 15 of them with no auth listed. Each one links to its own page with auth, HTTPS, CORS and the official docs.
APIs22
No auth listed68%15 of 22
HTTPS82%
CORS enabled45%
Docs link reachable91%at the last weekly check
Quick starts
No key, HTTPS and CORS, and the docs link answered at the last check: call these from a web page in minutes.
caldaysPublic holidays for 195+ countries
IntellibookAppointment booking and availability API for salons and clinics
Non-Working DaysSimple REST API for checking working, non-working or short days for Russia, CIS, USA and other- CountdownsHQDates and timezone-correct countdowns for 150+ holidays and observances in 18 countries
- India Public HolidaysOfficial Indian public holidays for the Central government and 36 states/UTs
- Namedays CalendarProvides namedays for multiple countries
All Calendar APIs
Africa Compliance DataPublic holidays and business days for all 54 African countries, from official sourcesapiKeyCORS- caldaysPublic holidays for 195+ countriesNo authCORS
- CalendarificWorldwide HolidaysapiKey
Checkiday - National HolidayIndustry-leading holiday data with over 5,000 holidays and thousands of descriptionsapiKey- Church CalendarCatholic liturgical calendarNo auth
- CountdownsHQDates and timezone-correct countdowns for 150+ holidays and observances in 18 countriesNo authCORS
- Czech Namedays CalendarLookup for a name and returns nameday dateNo auth
- Festivo Public HolidaysFastest and most advanced public holiday and observance service on the marketapiKeyCORSLink down
Google CalendarDisplay, create and modify Google calendar eventsOAuth
Hebrew CalendarConvert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etcNo auth
HolidaysHistorical data regarding holidaysapiKey- India Public HolidaysOfficial Indian public holidays for the Central government and 36 states/UTsNo authCORS
- IntellibookAppointment booking and availability API for salons and clinicsNo authCORS
- LectServeProtestant liturgical calendarNo authLink down
Nager.DatePublic holidays for more than 90 countriesNo auth- Namedays CalendarProvides namedays for multiple countriesNo authCORS
Non-Working DaysDatabase of ICS files for non working daysNo auth- Non-Working DaysSimple REST API for checking working, non-working or short days for Russia, CIS, USA and otherNo authCORS
Public HolidaysData on national, regional, and religious holidays via APIapiKeyCORS
Russian CalendarCheck if a date is a Russian holiday or notNo auth- The CalendarPublic holidays for US states and 30 countries plus sports and finance calendars as static JSONNo authCORS
UK Bank HolidaysBank holidays in England and Wales, Scotland and Northern IrelandNo auth