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Arbeitnow vs mail.tm

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

APIArbeitnowHEALTHY68mail.tmHEALTHY82
Uptime · 30d
Uptime · 90d93.1%84.3%
Uptime · 30d90.0%75.0%
P50 · ms303709
P95 · ms41622351
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree — temporary mailboxes
Rate limit5 req/window · 4 remainingRate limited (429 on exceed); exact policy per docs.mail.tm
In directory since2026-07-052026-07-05
operationalpartialdownno data

Arbeitnow vs mail.tm: common questions

Which is more reliable, Arbeitnow or mail.tm?

On our scheduled checks, Arbeitnow leads on measured uptime — Arbeitnow at 93.1% 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.

Which is faster, Arbeitnow or mail.tm?

Arbeitnow has the lower median latency in our checks — Arbeitnow responds in 303 ms versus mail.tm at 709 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Arbeitnow and mail.tm need an API key?

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

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

Only Arbeitnow 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 Arbeitnow and mail.tm free for commercial use?

Arbeitnow 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.