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Domain Intelligence vs EmailRep

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

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

Domain Intelligence vs EmailRep: common questions

Which is more reliable, Domain Intelligence or EmailRep?

On our scheduled checks, EmailRep leads on measured uptime — Domain Intelligence 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 Domain Intelligence and EmailRep need an API key?

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

Can I call Domain Intelligence and EmailRep from the browser?

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

Domain Intelligence 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.