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OpenSky Network vs OpenVan

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

APIOpenSky NetworkNEW—OpenVanNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial usenounclear
Data licenseNon-commercial/research use per OpenSky termsUnverified
Free tierFree for non-commercial/research use; anonymous requests are rate-limited and time-coarsenedFree — no auth
Rate limitAnonymous access throttled; registered/OAuth users get higher limits120 req/window · 119 remaining
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenSky Network vs OpenVan: common questions

Which is more reliable, OpenSky Network or OpenVan?

On our scheduled checks, OpenVan leads on measured uptime — OpenSky Network at —% versus OpenVan 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 OpenSky Network and OpenVan need an API key?

Neither needs a paid key — OpenSky Network is callable with no signup, and OpenVan is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call OpenSky Network and OpenVan from the browser?

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

Are OpenSky Network and OpenVan free for commercial use?

OpenSky Network is personal/non-commercial only, and OpenVan 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.