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ProblemsByVin vs Transport for Norway

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

APIProblemsByVinHEALTHY88Transport for NorwayHEALTHY94
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms738432
P95 · ms25121762
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesyes
Data licenseCC BY 4.0Norwegian Licence for Open Government Data (NLOD)
Free tierFree (weekly-refreshed static JSON datasets)Free — open data, no key; ET-Client-Name header requested
Rate limitUnpublished (static JSON files)Rate-limited for unidentified consumers (no numeric threshold published)
In directory since2026-07-052026-07-05
operationalpartialdownno data

ProblemsByVin vs Transport for Norway: common questions

Which is more reliable, ProblemsByVin or Transport for Norway?

Both are neck-and-neck — ProblemsByVin and Transport for Norway each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, ProblemsByVin or Transport for Norway?

Transport for Norway has the lower median latency in our checks — ProblemsByVin responds in 738 ms versus Transport for Norway at 432 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 ProblemsByVin and Transport for Norway need an API key?

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

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

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

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