The Calendar vs UK Bank Holidays
Same instrument, two spec sheets — measured, not claimed.
The Calendar vs UK Bank Holidays: common questions
Which is more reliable, The Calendar or UK Bank Holidays?
On our scheduled checks, UK Bank Holidays leads on measured uptime — The Calendar at —% versus UK Bank Holidays at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Do The Calendar and UK Bank Holidays need an API key?
Neither needs a paid key — The Calendar is callable with no signup, and UK Bank Holidays is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call The Calendar and UK Bank Holidays from the browser?
Yes — both The Calendar and UK Bank Holidays send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are The Calendar and UK Bank Holidays free for commercial use?
The Calendar has unclear commercial terms, and UK Bank Holidays allows commercial use on its free tier. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.