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CVEDB vs EmailRep

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

APICVEDBNEW—EmailRepNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

CVEDB vs EmailRep: common questions

Which is more reliable, CVEDB or EmailRep?

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

Neither needs a paid key — CVEDB is callable with no signup, and EmailRep is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call CVEDB and EmailRep from the browser?

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

CVEDB 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.