EmailRep vs MalwareBazaar

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSnono
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

EmailRep vs MalwareBazaar: common questions

Which is more reliable, EmailRep or MalwareBazaar?

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

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

Can I call EmailRep and MalwareBazaar from the browser?

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

EmailRep 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.