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Bufferapp vs TimeAPI.io

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

APIBufferappHEALTHY90TimeAPI.ioHEALTHY87
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms5471040
P95 · ms11243967
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Bufferapp vs TimeAPI.io: common questions

Which is more reliable, Bufferapp or TimeAPI.io?

Both are neck-and-neck — Bufferapp and TimeAPI.io 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, Bufferapp or TimeAPI.io?

Bufferapp has the lower median latency in our checks — Bufferapp responds in 547 ms versus TimeAPI.io at 1040 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 Bufferapp and TimeAPI.io need an API key?

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

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

Only TimeAPI.io is browser-friendly — it returns CORS headers over HTTPS. Bufferapp needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Bufferapp and TimeAPI.io free for commercial use?

Bufferapp 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.