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NHTSA vs Orizn Visa

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

APINHTSANEW—Orizn VisaNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licensePublic domain (U.S. Government work)Unverified
Free tierFree, no keyFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

NHTSA vs Orizn Visa: common questions

Which is more reliable, NHTSA or Orizn Visa?

On our scheduled checks, Orizn Visa leads on measured uptime — NHTSA at —% versus Orizn Visa 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 NHTSA and Orizn Visa need an API key?

NHTSA needs no key, while Orizn Visa requires a free API key. If you want to start calling without signup, reach for NHTSA first.

Can I call NHTSA and Orizn Visa from the browser?

Yes — both NHTSA and Orizn Visa 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 Orizn Visa free for commercial use?

NHTSA allows commercial use on its free tier, and Orizn Visa 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.