Checkiday - National Holiday API

Category	Calendar
Authentication	apiKey
HTTPS	Yes
CORS	unknown
Official URL	https://apilayer.com/marketplace/checkiday-api
Added Date	2026-04-01
Last Verified	2026-04-01

Description

Industry-leading Holiday API. Over 5,000 holidays and thousands of descriptions. Trusted by the World’s leading companies

Worldwide Holidays

apiKey HTTPS CORS: unknown

Catholic liturgical calendar

No Auth HTTP CORS: unknown

Lookup for a name and returns nameday date

No Auth HTTP CORS: unknown

Fastest and most advanced public holiday and observance service on the market

apiKey HTTPS CORS: yes

Display, create and modify Google calendar events

OAuth HTTPS CORS: unknown

Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc

No Auth HTTP CORS: unknown

Historical data regarding holidays

apiKey HTTPS CORS: unknown

Protestant liturgical calendar

No Auth HTTP CORS: unknown

Public holidays for more than 90 countries

No Auth HTTPS CORS: no

Provides namedays for multiple countries

No Auth HTTPS CORS: yes