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Ayrshare vs mail.tm

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

APIAyrshareNEW—mail.tmNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
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

Ayrshare vs mail.tm: common questions

Which is more reliable, Ayrshare or mail.tm?

On our scheduled checks, mail.tm leads on measured uptime — Ayrshare 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 Ayrshare and mail.tm need an API key?

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

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

Yes — both Ayrshare and mail.tm send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Ayrshare and mail.tm free for commercial use?

Ayrshare 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.