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Is Czech Namedays Calendar API down?

Current status, daily uptime history and troubleshooting for the Czech Namedays Calendar API (Calendar).

Possibly: Czech Namedays Calendar's last check failed

Our latest daily check of Czech Namedays Calendar (Oct 24, 2026, 12:25 UTC) failed: it answered HTTP 402. One failure can be a blip; the live check below tells you whether it's still failing.

Checking Czech Namedays Calendar now…

Sending a request from our server.

Czech Namedays Calendar API uptime history

30 days agoLatest check
Uptime
2 checks so far
Last check
Oct 24, 2026, 12:25 UTC
Response
It answered HTTP 402
Last up
Not seen up yet

We check Czech Namedays Calendar's listed URL (https://svatky.adresa.info) once a day. History started when Czech Namedays Calendar was first checked, so new entries show fewer than 30 days.

What does HTTP 402 mean? Read the 402 explainer.

Czech Namedays Calendar API not working for you?

  1. A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header.
  2. If calls fail only in the browser with a CORS error, Czech Namedays Calendar may not allow cross-origin requests. Call it from your server instead.
  3. Czech Namedays Calendar is listed without HTTPS. Browsers block plain-HTTP requests from HTTPS pages (mixed content).
  4. If it works from one network but not another, check firewalls, VPNs and regional blocks.
  5. Check the provider's documentation, status page or social accounts for planned maintenance or a changed endpoint.

Calendar APIs up at their last check

  1. 1caldays logo

    caldays API

    Online · 867 ms

    Public holidays for 195+ countries.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  2. 2CountdownsHQ logo

    CountdownsHQ API

    Online · 623 ms

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

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  3. 3The Calendar logo

    The Calendar API

    Online · 643 ms

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

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  4. 4UK Bank Holidays logo

    UK Bank Holidays API

    Online · 62 ms

    Bank holidays in England and Wales, Scotland and Northern Ireland.

    • No API key needed
    • Fast: 62 ms response
    • Returns JSON at its URL
    • HTTPS
    No authHTTPSCORS ?
  5. 5India Public Holidays logo

    India Public Holidays API

    Online · 459 ms

    Official Indian public holidays for the Central government and 36 states/UTs.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS

Compare all Czech Namedays Calendar alternatives · APIs down right now

Czech Namedays Calendar API status FAQ

Is Czech Namedays Calendar API down right now?

Our latest daily check of Czech Namedays Calendar (Oct 24, 2026, 12:25 UTC) failed: it answered HTTP 402. One failure can be a blip; the live check below tells you whether it's still failing. This page also runs a live check from our server when you open it, so you can see whether Czech Namedays Calendar is responding at this moment.

How do you check whether Czech Namedays Calendar API is up?

Once a day our checker requests Czech Namedays Calendar's listed URL (https://svatky.adresa.info) and records whether it answers within 15 seconds. Answers like 401 (needs a key), 403 (blocks bots) or 429 (rate-limited) count as up, because the server responded. The listed URL is often the documentation page, so an API endpoint can occasionally fail while its docs stay up.

What can I use if Czech Namedays Calendar API is down?

Free Calendar APIs that were up at their last check include caldays, CountdownsHQ, The Calendar. See the full list of Czech Namedays Calendar alternatives for a comparison.

Why does Czech Namedays Calendar API work for others but not for me?

A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header. If calls fail only in the browser with a CORS error, Czech Namedays Calendar may not allow cross-origin requests. Call it from your server instead. Czech Namedays Calendar is listed without HTTPS. Browsers block plain-HTTP requests from HTTPS pages (mixed content).