mail.tm vs Public Time API
Same instrument, two spec sheets — measured, not claimed.
mail.tm vs Public Time API: common questions
Which is more reliable, mail.tm or Public Time API?
On our scheduled checks, Public Time API leads on measured uptime — mail.tm at 84.3% versus Public Time API 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 Public Time API?
Public Time API has the lower median latency in our checks — mail.tm responds in 709 ms versus Public Time API at 242 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 Public Time API need an API key?
Neither needs a paid key — mail.tm is callable with no signup, and Public Time API is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call mail.tm and Public Time API from the browser?
Neither sends browser-friendly CORS headers reliably, so call mail.tm and Public Time API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are mail.tm and Public Time API free for commercial use?
mail.tm has unclear commercial terms, and Public Time API 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.