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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)HEALTHY92UK PoliceHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms538787
P95 · ms11072547
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?

Both are neck-and-neck — Microsoft Security Response Center (MSRC) and UK Police each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

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

Microsoft Security Response Center (MSRC) has the lower median latency in our checks — Microsoft Security Response Center (MSRC) responds in 538 ms versus UK Police at 787 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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.