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Bufferapp vs Public Time API

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

APIBufferappNEW—Public Time APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
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 Public Time API: common questions

Which is more reliable, Bufferapp or Public Time API?

On our scheduled checks, Public Time API leads on measured uptime — Bufferapp at —% versus Public Time API 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 Bufferapp and Public Time API need an API key?

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

Can I call Bufferapp and Public Time API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Bufferapp and Public Time API from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Bufferapp and Public Time API free for commercial use?

Bufferapp has unclear commercial terms, and Public Time API 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.