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Metro Lisboa vs OpenSky Network

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

APIMetro LisboaNEW—OpenSky NetworkNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearno
Data licenseUnverifiedNon-commercial/research use per OpenSky terms
Free tierFree — limits not publishedFree for non-commercial/research use; anonymous requests are rate-limited and time-coarsened
Rate limitUnpublishedAnonymous access throttled; registered/OAuth users get higher limits
In directory since2026-07-052026-07-05
operationalpartialdownno data

Metro Lisboa vs OpenSky Network: common questions

Which is more reliable, Metro Lisboa or OpenSky Network?

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

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

Can I call Metro Lisboa and OpenSky Network from the browser?

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

Are Metro Lisboa and OpenSky Network free for commercial use?

Metro Lisboa has unclear commercial terms, and OpenSky Network is personal/non-commercial only. 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.