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Ignav Flight API vs Metro Lisboa

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

APIIgnav Flight APINEW—Metro LisboaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnono
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

Ignav Flight API vs Metro Lisboa: common questions

Which is more reliable, Ignav Flight API or Metro Lisboa?

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

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

Can I call Ignav Flight API and Metro Lisboa from the browser?

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

Are Ignav Flight API and Metro Lisboa free for commercial use?

Ignav Flight API has unclear commercial terms, and Metro Lisboa 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.