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ProblemsByVin vs Transport for Switzerland

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

APIProblemsByVinNEW—Transport for SwitzerlandNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0Unverified (powered by Opendata.ch)
Free tierFree (weekly-refreshed static JSON datasets)Free — no key required
Rate limitUnpublished (static JSON files)Bounded by timetable.search.ch limits (no fixed number published)
In directory since2026-07-052026-07-05
operationalpartialdownno data

ProblemsByVin vs Transport for Switzerland: common questions

Which is more reliable, ProblemsByVin or Transport for Switzerland?

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

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

Can I call ProblemsByVin and Transport for Switzerland from the browser?

Yes — both ProblemsByVin and Transport for Switzerland 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 Switzerland free for commercial use?

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