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CarsXE vs Transport for Norway

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

APICarsXENEW—Transport for NorwayNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedNorwegian Licence for Open Government Data (NLOD)
Free tierFree tier — API key requiredFree — open data, no key; ET-Client-Name header requested
Rate limitUnpublishedRate-limited for unidentified consumers (no numeric threshold published)
In directory since2026-07-052026-07-05
operationalpartialdownno data

CarsXE vs Transport for Norway: common questions

Which is more reliable, CarsXE or Transport for Norway?

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

Transport for Norway needs no key, while CarsXE requires a free API key. If you want to start calling without signup, reach for Transport for Norway first.

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

Only Transport for Norway is browser-friendly — it returns CORS headers over HTTPS. CarsXE needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are CarsXE and Transport for Norway free for commercial use?

CarsXE has unclear commercial terms, 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.