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Microsoft Security Response Center (MSRC) vs UK Police

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

APIMicrosoft Security Response Center (MSRC)NEW—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 — no key requiredFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

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

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

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

Neither needs a paid key — Microsoft Security Response Center (MSRC) 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 Microsoft Security Response Center (MSRC) and UK Police 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 Microsoft Security Response Center (MSRC) and UK Police free for commercial use?

Microsoft Security Response Center (MSRC) 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.