Byabbe
Calendar
Seach histories from wikipedia for a particular day
Industry-leading holiday data with over 5,000 holidays and thousands of descriptions
Verified 4 days ago: 100% uptime
API key
Required
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Live · 100/100
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
A starting template for Checkiday - National Holiday. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Requires an API key. Check the docs for whether it goes in a header or a query parameter.
curl -s "https://apilayer.com/ENDPOINT" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Aggregated from one public source (public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
Calendar
Seach histories from wikipedia for a particular day
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Public holidays for 195+ countries
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Public holidays for US states and 30 countries plus sports and finance calendars as static JSON
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Database of official time zones and corresponding iCal VTIMEZONE blocks
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Bank holidays in England and Wales, Scotland and Northern Ireland
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Public holidays for more than 90 countries
Answered from what our own scheduled checks found, not from the provider's marketing.
Checkiday - National Holiday is listed in our free catalogue, but it requires an API key, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
Yes. Checkiday - National Holiday authenticates with an API key. Keep it server-side rather than in browser code, because anything in your frontend bundle is readable by anyone who opens developer tools.
Not directly. Checkiday - National Holiday did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Yes, as of 2026-09-18. Our automated check reached Checkiday - National Holiday and recorded a 100% reliability score with a median response time of 500 ms. We re-check on a schedule, and this page updates with the result.
Yes. Checkiday - National Holiday serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.