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Transport for Philadelphia, US vs Transport for Spain

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

APITransport for Philadelphia, USHEALTHY86Transport for SpainHEALTHY91
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms714603
P95 · ms45851720
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Transport for Philadelphia, US vs Transport for Spain: common questions

Which is more reliable, Transport for Philadelphia, US or Transport for Spain?

Both are neck-and-neck — Transport for Philadelphia, US and Transport for Spain 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, Transport for Philadelphia, US or Transport for Spain?

Transport for Spain has the lower median latency in our checks — Transport for Philadelphia, US responds in 714 ms versus Transport for Spain at 603 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 Transport for Philadelphia, US and Transport for Spain need an API key?

Neither needs a paid key — Transport for Philadelphia, US is callable with no signup, and Transport for Spain is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Transport for Philadelphia, US and Transport for Spain from the browser?

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

Are Transport for Philadelphia, US and Transport for Spain free for commercial use?

Transport for Philadelphia, US has unclear commercial terms, and Transport for Spain 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.