caldays
FreeLiveLast verified 24 Sept 2026
Public holidays, long weekends, and world clock data for 206 countries from official government calendars.
Example request
curl -s 'https://caldays.com/api/holidays/US/2026'
Free tier, in plain English
No key needed for up to 10,000 requests a day per IP. Keys for larger scale exist but their raised limits aren't published.
Alternatives in Holidays
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