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Calendarific API vs Nager.Date API

Two free Calendar APIs compared on access, reliability and developer ratings, using data from our daily health checks.

The verdict

  • Choose Calendarific API if you want faster responses.
  • Choose Nager.Date API if you want to start without an API key.

Side by side

Calendarific APINager.Date API
What it doesExplore comprehensive holiday data worldwide with Calendarific.Public holidays for more than 90 countries.
ProviderCalendarificNager.Holidays
API keyRequiredNot needed
HTTPSYesYes
CORS (browser calls)UnknownNo
Status todayOnline · 410 msOnline · 1111 ms
Uptime (30 days)UpUp
Developer ratingNot rated yetNot rated yet
PriceFree / free tierFree / free tier
Calendarific docs ↗Nager.Date docs ↗

About each API

Calendarific API

Explore comprehensive holiday data worldwide with Calendarific.

Explore comprehensive holiday data worldwide with Calendarific. Access national holidays, local observances, and religious events with customizable API solutions for your needs.

Strengths

  • HTTPS

Ratings, reviews and FAQ →

Nager.Date logoNager.Date API

Public holidays for more than 90 countries.

Find public holidays and long weekends for 200+ countries. See all holiday dates easily and plan your days off.

Strengths

  • No API key needed
  • HTTPS

Ratings, reviews and FAQ →

How to choose between them

  • Prototyping or a tutorial? Pick the one that needs no API key.
  • Calling from a web page? You need CORS. Otherwise route requests through your own server or a serverless function.
  • Going to production? Favour HTTPS, a strong uptime record and a provider with clear rate limits and terms. Check each API's docs before you commit.
  • Still unsure? Both are free to try: send one request to each and compare the data you get back.

Calendarific vs Nager.Date FAQ

Which needs an API key, Calendarific API or Nager.Date API?

Calendarific API requires an API key; Nager.Date API doesn't, so Nager.Date API is quicker to try.