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mailboxlayer vs TimeAPI.io

Same instrument, two spec sheets — measured, not claimed.

APImailboxlayerNEW—TimeAPI.ioNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

mailboxlayer vs TimeAPI.io: common questions

Which is more reliable, mailboxlayer or TimeAPI.io?

On our scheduled checks, TimeAPI.io leads on measured uptime — mailboxlayer at —% versus TimeAPI.io at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do mailboxlayer and TimeAPI.io need an API key?

TimeAPI.io needs no key, while mailboxlayer requires a free API key. If you want to start calling without signup, reach for TimeAPI.io first.

Can I call mailboxlayer and TimeAPI.io from the browser?

Only TimeAPI.io 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 TimeAPI.io free for commercial use?

mailboxlayer has unclear commercial terms, and TimeAPI.io 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.