Calendar API

CountdownsHQ

Dates and timezone-correct countdowns for 150+ holidays and observances in 18 countries

Official docs on countdownshq.com Show on the wall

Docs link reachable when ApiWall checked it on Oct 19, 2026.

Docs link history

Reachable: Oct 18, 2026 – Oct 19, 2026

Catalog facts

Authentication: NoThe catalog lists no authentication. The provider may still apply limits, terms or registration.
HTTPS: YesServed over HTTPS, so traffic to the API is encrypted.
CORS: YesBrowser code on other websites can call it directly.

Access and pricing

ApiWall has not verified pricing, free access or usage terms for this API. A listing here does not mean it is free, available or safe to call. Check the provider's current terms.

Listed in

Calendar

More Calendar APIs

All 22 in Calendar →

Use this listing

Show a card for CountdownsHQ on your own site (it links back here):

<div data-apiwall-api="api-countdownshq-0q95kh00h2"></div>
<script src="https://eziodevio.github.io/ApiWall/embed.js" async></script>

As JSON: /api/v1/apis/api-countdownshq-0q95kh00h2.json · Developers

From the public-apis community catalog (MIT), README line 410. On ApiWall since October 19, 2026. ApiWall is independent and not affiliated with this provider.