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Authentication vs Complete Criminal Checks

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

APIAuthenticationNEW—Complete Criminal ChecksNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Authentication vs Complete Criminal Checks: common questions

Which is more reliable, Authentication or Complete Criminal Checks?

On our scheduled checks, Complete Criminal Checks leads on measured uptime — Authentication at —% versus Complete Criminal Checks 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 Complete Criminal Checks need an API key?

Authentication needs no key, while Complete Criminal Checks requires a free API key. If you want to start calling without signup, reach for Authentication first.

Can I call Authentication and Complete Criminal Checks from the browser?

Only Complete Criminal Checks 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 Complete Criminal Checks free for commercial use?

Authentication has unclear commercial terms, and Complete Criminal Checks 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.