ITIS vs SkyBiometry

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

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

ITIS vs SkyBiometry: common questions

Which is more reliable, ITIS or SkyBiometry?

On our scheduled checks, SkyBiometry leads on measured uptime — ITIS 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 ITIS and SkyBiometry need an API key?

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

Can I call ITIS and SkyBiometry from the browser?

Neither sends browser-friendly CORS headers reliably, so call ITIS 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 ITIS and SkyBiometry free for commercial use?

ITIS 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.