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The Calendar

Public holidays for US states and 30 countries plus sports and finance calendars as static JSON

Open documentation ↗
No keyHTTPSCORSCalendar

Verified 4 days ago: 100% uptime

API key

Not required

HTTPS

Supported

Browser calls

Yes, CORS enabled

Status

Live · 100/100

What our checks found

Health score
100/100
Reliability
100%
Average latency
1691ms

Last checked 2026-09-18. Measured independently, not self-reported by the provider.

How to call it

A starting template for The Calendar. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.

# No authentication required.
curl -s "https://the-calendar.net/ENDPOINT" \
  -H "Accept: application/json"

Where this listing comes from

Aggregated from 2 public sources (public-api-lists, public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.

Other Calendar APIs

See all 24

Byabbe

Calendar

Seach histories from wikipedia for a particular day

No keyCORSHTTPS

Verified 4 days ago: 100% uptime

View Details

caldays

Calendar

Public holidays for 195+ countries

No keyCORSHTTPS

Verified 4 days ago: 100% uptime

View Details

UK Bank Holidays

Calendar

Bank holidays in England and Wales, Scotland and Northern Ireland

No keyCORSHTTPS

Verified 4 days ago: 100% uptime

View Details

Nager.Date

Calendar

Public holidays for more than 90 countries

No keyHTTPS

Verified 4 days ago: 100% uptime

View Details

Nager.Date

Calendar

Public holidays for more than 200 countries

No keyHTTPS

Verified 4 days ago: 100% uptime

View Details

The Calendar — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is The Calendar free to use?

The Calendar is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.

Does The Calendar need an API key?

No. We called The Calendar on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.

Can I call The Calendar from browser JavaScript?

Yes. The Calendar returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.

Is The Calendar still working?

Yes, as of 2026-09-18. Our automated check reached The Calendar and recorded a 100% reliability score with a median response time of 1691 ms. We re-check on a schedule, and this page updates with the result.

Is The Calendar available over HTTPS?

Yes. The Calendar serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.