mail.tm vs Webex
Same instrument, two spec sheets — measured, not claimed.
mail.tm vs Webex: common questions
Which is more reliable, mail.tm or Webex?
On our scheduled checks, Webex leads on measured uptime — mail.tm at 90.6% versus Webex at 100% 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, mail.tm or Webex?
mail.tm has the lower median latency in our checks — mail.tm responds in 325 ms versus Webex at 685 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 mail.tm and Webex need an API key?
mail.tm needs no key, while Webex requires a free API key. If you want to start calling without signup, reach for mail.tm first.
Can I call mail.tm and Webex from the browser?
Only Webex 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 mail.tm and Webex free for commercial use?
mail.tm has unclear commercial terms, and Webex 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.