Footer Year Update vs MailCheck.ai
Same instrument, two spec sheets — measured, not claimed.
Footer Year Update vs MailCheck.ai: common questions
Which is more reliable, Footer Year Update or MailCheck.ai?
On our scheduled checks, Footer Year Update leads on measured uptime — Footer Year Update at 100% versus MailCheck.ai at 93.1% 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, Footer Year Update or MailCheck.ai?
Footer Year Update has the lower median latency in our checks — Footer Year Update responds in 131 ms versus MailCheck.ai at 272 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 Footer Year Update and MailCheck.ai need an API key?
Neither needs a paid key — Footer Year Update is callable with no signup, and MailCheck.ai is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Footer Year Update and MailCheck.ai from the browser?
Only MailCheck.ai is browser-friendly — it returns CORS headers over HTTPS. Footer Year Update needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Footer Year Update and MailCheck.ai free for commercial use?
Footer Year Update has unclear commercial terms, and MailCheck.ai 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.