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mail.tm vs SalesLoft Platform

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

APImail.tmNEW—SalesLoft PlatformNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — temporary mailboxesFree tier — API key required
Rate limitRate limited (429 on exceed); exact policy per docs.mail.tmUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

mail.tm vs SalesLoft Platform: common questions

Which is more reliable, mail.tm or SalesLoft Platform?

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

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

Can I call mail.tm and SalesLoft Platform from the browser?

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

Are mail.tm and SalesLoft Platform free for commercial use?

mail.tm has unclear commercial terms, and SalesLoft Platform 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.