mailboxlayer vs TimeZones iCal Library
Same instrument, two spec sheets — measured, not claimed.
mailboxlayer vs TimeZones iCal Library: common questions
Which is more reliable, mailboxlayer or TimeZones iCal Library?
Both are neck-and-neck — mailboxlayer and TimeZones iCal Library each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.
Which is faster, mailboxlayer or TimeZones iCal Library?
mailboxlayer has the lower median latency in our checks — mailboxlayer responds in 316 ms versus TimeZones iCal Library at 337 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 mailboxlayer and TimeZones iCal Library need an API key?
TimeZones iCal Library needs no key, while mailboxlayer requires a free API key. If you want to start calling without signup, reach for TimeZones iCal Library first.
Can I call mailboxlayer and TimeZones iCal Library from the browser?
Only TimeZones iCal Library is browser-friendly — it returns CORS headers over HTTPS. mailboxlayer needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are mailboxlayer and TimeZones iCal Library free for commercial use?
mailboxlayer has unclear commercial terms, and TimeZones iCal Library 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.