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Authentication vs UK Police

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

APIAuthenticationNEW—UK PoliceNEW—
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 required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Authentication vs UK Police: common questions

Which is more reliable, Authentication or UK Police?

On our scheduled checks, UK Police leads on measured uptime — Authentication at —% versus UK Police 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 Authentication and UK Police need an API key?

Neither needs a paid key — Authentication is callable with no signup, and UK Police is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Authentication and UK Police from the browser?

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

Are Authentication and UK Police free for commercial use?

Authentication has unclear commercial terms, and UK Police 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.