Calendar & Holidays9 Verified APIs

Free Calendar & Holidays APIs

Public holidays, religious observances, and timezone transformations

Interactive In-Browser Tools for this Category:Test endpoints and format data with zero setup

Calendar & Holidays API Comparison Overview

Top Endpoints

API Service	Auth Type	Rate Limit	Security	Direct Link
Calendarific	Free Key	1000 istek/ay	HTTPS • CORS	Docs
Nager.Date	No Key	Sınırsız	HTTPS • CORS	Docs
World Time	No Key	Sınırsız	HTTPS • CORS	Docs
Sunrise Sunset	No Key	Sınırsız	HTTPS • CORS	Docs
Holiday API	Free Key	10.000 istek/ay	HTTPS • CORS	Docs
Google Calendar	Free Key	1M istek/gün	HTTPS • CORS	Docs

Available Endpoints (9)

GET

Calendarific

Global holiday API covering national, regional, religious, and cultural events

Calendar & HolidaysAPI KeyCORS1000 req/month

GET

Nager.Date

Worldwide public holidays and bank observances across 100+ countries

Calendar & HolidaysNo AuthCORSUnlimited

GET

World Time

Current local time, UTC offsets, and timezone calculations microservice

Calendar & HolidaysNo AuthCORSUnlimited

GET

Sunrise Sunset

Sunrise, sunset, dawn, dusk, and solar noon calculation engine

Calendar & HolidaysNo AuthCORSUnlimited

GET

Holiday API

Historical and current holiday data across 250+ countries and federal territories

Calendar & HolidaysAPI KeyCORS10,000 req/month

GET

Google Calendar

Google Calendar event management, recurring schedules, and conferencing

Calendar & HolidaysAPI KeyCORS1M req/day

GET

Eventbrite

Event ticketing, attendee registration, venue management, and analytics

Calendar & HolidaysAPI KeyCORS2000 req/hour

GET

Ticketmaster

Live concert ticketing, venue discovery, artist tours, and event passes

Calendar & HolidaysAPI KeyCORS5000 req/day

GET

TimeZoneDB

Precise worldwide timezone data, daylight saving time, and coordinates

Calendar & HolidaysAPI KeyCORS1 req/sec

About Free Calendar & Holidays APIs

This directory curates 9 verified public APIs in the Calendar & Holidays domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.

Do I need an API key?

Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.

Does FreeAPI support CORS?

Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.