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NHTSA vs Transport for Switzerland

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

APINHTSAHEALTHY87Transport for SwitzerlandHEALTHY62
Uptime · 30d
Uptime · 90d99.02%96.1%
Uptime · 30d100%95.0%
P50 · ms760945
P95 · ms49024887
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (U.S. Government work)Unverified (powered by Opendata.ch)
Free tierFree, no keyFree — no key required
Rate limitUnpublishedBounded by timetable.search.ch limits (no fixed number published)
In directory since2026-07-052026-07-05
operationalpartialdownno data

NHTSA vs Transport for Switzerland: common questions

Which is more reliable, NHTSA or Transport for Switzerland?

On our scheduled checks, NHTSA leads on measured uptime — NHTSA at 99.02% versus Transport for Switzerland at 96.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, NHTSA or Transport for Switzerland?

NHTSA has the lower median latency in our checks — NHTSA responds in 760 ms versus Transport for Switzerland at 945 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 NHTSA and Transport for Switzerland need an API key?

Neither needs a paid key — NHTSA 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 NHTSA and Transport for Switzerland from the browser?

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

NHTSA 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.