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SkyBiometry vs TLE

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

APISkyBiometryREACHABLE—TLENEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSnoyes
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

SkyBiometry vs TLE: common questions

Which is more reliable, SkyBiometry or TLE?

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

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

Can I call SkyBiometry and TLE from the browser?

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

Are SkyBiometry and TLE free for commercial use?

SkyBiometry has unclear commercial terms, and TLE 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.