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jobdata API vs mail.tm

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

APIjobdata APINEW—mail.tmNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
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

jobdata API vs mail.tm: common questions

Which is more reliable, jobdata API or mail.tm?

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

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

Can I call jobdata API and mail.tm from the browser?

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

Are jobdata API and mail.tm free for commercial use?

jobdata API 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.