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Transport for Los Angeles, US vs Transport for Paris, France

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

APITransport for Los Angeles, USNEW—Transport for Paris, FranceNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedOpenDataSoft platform defaults (unpublished here)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Transport for Los Angeles, US vs Transport for Paris, France: common questions

Which is more reliable, Transport for Los Angeles, US or Transport for Paris, France?

On our scheduled checks, Transport for Paris, France leads on measured uptime — Transport for Los Angeles, US at —% versus Transport for Paris, France 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 Los Angeles, US and Transport for Paris, France need an API key?

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

Can I call Transport for Los Angeles, US and Transport for Paris, France from the browser?

Yes — both Transport for Los Angeles, US and Transport for Paris, France send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Transport for Los Angeles, US and Transport for Paris, France free for commercial use?

Transport for Los Angeles, US has unclear commercial terms, and Transport for Paris, France 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.