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Satellite Passes vs Strictly Better API

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

APISatellite PassesNEW—Strictly Better APINEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Satellite Passes vs Strictly Better API: common questions

Which is more reliable, Satellite Passes or Strictly Better API?

On our scheduled checks, Strictly Better API leads on measured uptime — Satellite Passes at —% versus Strictly Better 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 Satellite Passes and Strictly Better API need an API key?

Neither needs a paid key — Satellite Passes is callable with no signup, and Strictly Better API is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Satellite Passes and Strictly Better API from the browser?

Yes — both Satellite Passes and Strictly Better API send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Satellite Passes and Strictly Better API free for commercial use?

Satellite Passes has unclear commercial terms, and Strictly Better 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.