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UK Police vs Microsoft Security Response Center (MSRC)

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

APIUK PoliceNEW—Microsoft Security Response Center (MSRC)NEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseOpen Government Licence v3.0Unverified
Free tierFree — no key requiredFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

UK Police vs Microsoft Security Response Center (MSRC): common questions

Which is more reliable, UK Police or Microsoft Security Response Center (MSRC)?

On our scheduled checks, Microsoft Security Response Center (MSRC) leads on measured uptime — UK Police at —% versus Microsoft Security Response Center (MSRC) 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 UK Police and Microsoft Security Response Center (MSRC) need an API key?

Neither needs a paid key — UK Police is callable with no signup, and Microsoft Security Response Center (MSRC) is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call UK Police and Microsoft Security Response Center (MSRC) from the browser?

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

Are UK Police and Microsoft Security Response Center (MSRC) free for commercial use?

UK Police allows commercial use on its free tier, and Microsoft Security Response Center (MSRC) has unclear commercial terms. 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.