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Public Time API vs UK Bank Holidays

Same instrument, two spec sheets — measured, not claimed.

APIPublic Time APINEW—UK Bank HolidaysNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedOpen Government Licence v3.0
Free tierFree — limits not publishedFree, no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Public Time API vs UK Bank Holidays: common questions

Which is more reliable, Public Time API or UK Bank Holidays?

On our scheduled checks, UK Bank Holidays leads on measured uptime — Public Time API 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 Public Time API and UK Bank Holidays need an API key?

Neither needs a paid key — Public Time API 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 Public Time API and UK Bank Holidays from the browser?

Only UK Bank Holidays is browser-friendly — it returns CORS headers over HTTPS. Public Time API needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Public Time API and UK Bank Holidays free for commercial use?

Public Time API 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.