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ProblemsByVin vs Transport for Grenoble, France

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

APIProblemsByVinNEW—Transport for Grenoble, FranceNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0Unverified
Free tierFree (weekly-refreshed static JSON datasets)Free — limits not published
Rate limitUnpublished (static JSON files)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ProblemsByVin vs Transport for Grenoble, France: common questions

Which is more reliable, ProblemsByVin or Transport for Grenoble, France?

On our scheduled checks, Transport for Grenoble, France leads on measured uptime — ProblemsByVin at —% versus Transport for Grenoble, 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 ProblemsByVin and Transport for Grenoble, France need an API key?

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

Can I call ProblemsByVin and Transport for Grenoble, France from the browser?

Yes — both ProblemsByVin and Transport for Grenoble, 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 ProblemsByVin and Transport for Grenoble, France free for commercial use?

ProblemsByVin allows commercial use on its free tier, and Transport for Grenoble, 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.