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Openwhyd vs Poof

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

APIOpenwhydNEW—PoofNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — no key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Openwhyd vs Poof: common questions

Which is more reliable, Openwhyd or Poof?

On our scheduled checks, Poof leads on measured uptime — Openwhyd at —% versus Poof 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 Openwhyd and Poof need an API key?

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

Can I call Openwhyd and Poof from the browser?

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

Are Openwhyd and Poof free for commercial use?

Openwhyd has unclear commercial terms, and Poof 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.