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AbuseIPDB vs Complete Criminal Checks

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

APIAbuseIPDBDEAD0Complete Criminal ChecksDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

AbuseIPDB vs Complete Criminal Checks: common questions

Which is more reliable, AbuseIPDB or Complete Criminal Checks?

Both are neck-and-neck — AbuseIPDB and Complete Criminal Checks each measure 0.0% 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.

Do AbuseIPDB and Complete Criminal Checks need an API key?

Both ask you to authenticate — AbuseIPDB uses an API key and Complete Criminal Checks uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

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

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

Are AbuseIPDB and Complete Criminal Checks free for commercial use?

AbuseIPDB 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.