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Transport for Philadelphia, US vs Transport for Belgium

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

APITransport for Philadelphia, USNEW—Transport for BelgiumNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

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

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

On our scheduled checks, Transport for Belgium leads on measured uptime — Transport for Philadelphia, US at —% versus Transport for Belgium 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 Philadelphia, US and Transport for Belgium need an API key?

Neither needs a paid key — Transport for Philadelphia, US is callable with no signup, and Transport for Belgium 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 Belgium from the browser?

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

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

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