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Noctua vs SkyBiometry

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

APINoctuaNEW—SkyBiometryREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSnoyes
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Noctua vs SkyBiometry: common questions

Which is more reliable, Noctua or SkyBiometry?

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

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

Can I call Noctua and SkyBiometry from the browser?

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

Are Noctua and SkyBiometry free for commercial use?

Noctua has unclear commercial terms, and SkyBiometry 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.