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Transport for Spain vs Transport for United States

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

APITransport for SpainNEW—Transport for United StatesNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedData copyright transit agencies / Umo IQ
Free tierFree — no key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Transport for Spain vs Transport for United States: common questions

Which is more reliable, Transport for Spain or Transport for United States?

On our scheduled checks, Transport for United States leads on measured uptime — Transport for Spain at —% versus Transport for United States 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 Transport for Spain and Transport for United States need an API key?

Neither needs a paid key — Transport for Spain 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 Transport for Spain and Transport for United States from the browser?

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

Are Transport for Spain and Transport for United States free for commercial use?

Transport for Spain 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.