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Findwork vs mail.tm

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

APIFindworkNEW—mail.tmNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — temporary mailboxes
Rate limit4294967295 req/window · 4294967295 remaining · resets 0Rate limited (429 on exceed); exact policy per docs.mail.tm
In directory since2026-07-052026-07-05
operationalpartialdownno data

Findwork vs mail.tm: common questions

Which is more reliable, Findwork or mail.tm?

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

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

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

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

Are Findwork and mail.tm free for commercial use?

Findwork 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.