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Metro Lisboa vs Transport for United States

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

APIMetro LisboaHEALTHY82Transport for United StatesHEALTHY84
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms13081093
P95 · ms24591963
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedData copyright transit agencies / Umo IQ
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Metro Lisboa vs Transport for United States: common questions

Which is more reliable, Metro Lisboa or Transport for United States?

Both are neck-and-neck — Metro Lisboa and Transport for United States each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Metro Lisboa or Transport for United States?

Transport for United States has the lower median latency in our checks — Metro Lisboa responds in 1308 ms versus Transport for United States at 1093 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Metro Lisboa and Transport for United States need an API key?

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

Can I call Metro Lisboa and Transport for United States from the browser?

Only Transport for United States is browser-friendly — it returns CORS headers over HTTPS. Metro Lisboa needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Metro Lisboa and Transport for United States free for commercial use?

Metro Lisboa has unclear commercial terms, and Transport for United States 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.