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Emailvalidation vs mail.tm

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

APIEmailvalidationDEAD0mail.tmHEALTHY82
Uptime · 30d
Uptime · 90d0.0%84.3%
Uptime · 30d0.0%75.0%
P50 · ms—709
P95 · ms—2351
AuthapiKeynone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — temporary mailboxes
Rate limitUnpublishedRate limited (429 on exceed); exact policy per docs.mail.tm
In directory since2026-07-052026-07-05
operationalpartialdownno data

Emailvalidation vs mail.tm: common questions

Which is more reliable, Emailvalidation or mail.tm?

On our scheduled checks, mail.tm leads on measured uptime — Emailvalidation at 0.0% versus mail.tm at 84.3% 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 Emailvalidation and mail.tm need an API key?

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

Can I call Emailvalidation and mail.tm from the browser?

Only Emailvalidation is browser-friendly — it returns CORS headers over HTTPS. mail.tm needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Emailvalidation and mail.tm free for commercial use?

Emailvalidation has unclear commercial terms, and mail.tm 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.