mail.tm vs UK Bank Holidays
Same instrument, two spec sheets — measured, not claimed.
mail.tm vs UK Bank Holidays: common questions
Which is more reliable, mail.tm or UK Bank Holidays?
On our scheduled checks, UK Bank Holidays leads on measured uptime — mail.tm at 84.3% versus UK Bank Holidays 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 UK Bank Holidays?
UK Bank Holidays has the lower median latency in our checks — mail.tm responds in 709 ms versus UK Bank Holidays at 231 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 UK Bank Holidays need an API key?
Neither needs a paid key — mail.tm is callable with no signup, and UK Bank Holidays is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call mail.tm and UK Bank Holidays from the browser?
Only UK Bank Holidays 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 UK Bank Holidays free for commercial use?
mail.tm has unclear commercial terms, and UK Bank Holidays allows commercial use on its free tier. 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.