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AbuseIPDB vs EmailRep

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

APIAbuseIPDBNEW—EmailRepNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

AbuseIPDB vs EmailRep: common questions

Which is more reliable, AbuseIPDB or EmailRep?

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

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

Can I call AbuseIPDB and EmailRep from the browser?

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

AbuseIPDB has unclear commercial terms, and EmailRep 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.