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AbuseIPDB vs FilterLists

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

APIAbuseIPDBDEAD0FilterListsHEALTHY94
Uptime · 30d
Uptime · 90d0.0%98.0%
Uptime · 30d0.0%96.7%
P50 · ms—357
P95 · ms—1813
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

AbuseIPDB vs FilterLists: common questions

Which is more reliable, AbuseIPDB or FilterLists?

On our scheduled checks, FilterLists leads on measured uptime — AbuseIPDB at 0.0% versus FilterLists at 98.0% 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 AbuseIPDB and FilterLists need an API key?

FilterLists needs no key, while AbuseIPDB requires a free API key. If you want to start calling without signup, reach for FilterLists first.

Can I call AbuseIPDB and FilterLists from the browser?

Neither sends browser-friendly CORS headers reliably, so call AbuseIPDB and FilterLists 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 FilterLists free for commercial use?

AbuseIPDB has unclear commercial terms, and FilterLists 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.