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AbuseIPDB vs MalwareBazaar

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

APIAbuseIPDBDEAD0MalwareBazaarDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnono
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 MalwareBazaar: common questions

Which is more reliable, AbuseIPDB or MalwareBazaar?

Both are neck-and-neck — AbuseIPDB and MalwareBazaar 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 MalwareBazaar need an API key?

Both ask you to authenticate — AbuseIPDB uses an API key and MalwareBazaar 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 MalwareBazaar from the browser?

Neither sends browser-friendly CORS headers reliably, so call AbuseIPDB and MalwareBazaar from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are AbuseIPDB and MalwareBazaar free for commercial use?

AbuseIPDB has unclear commercial terms, and MalwareBazaar 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.