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Meteorologisk Institutt vs Website Carbon

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

APIMeteorologisk InstituttNEW—Website CarbonNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0 / NLOD (Norwegian Licence for Open Government Data)Unverified
Free tierFree, no key; requires identifying User-AgentFree keyless byte-based /data endpoint
Rate limitThrottled; identify via User-Agent and respect caching headers (per docs)Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Meteorologisk Institutt vs Website Carbon: common questions

Which is more reliable, Meteorologisk Institutt or Website Carbon?

On our scheduled checks, Website Carbon leads on measured uptime — Meteorologisk Institutt at —% versus Website Carbon 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 Meteorologisk Institutt and Website Carbon need an API key?

Neither needs a paid key — Meteorologisk Institutt is callable with no signup, and Website Carbon is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Meteorologisk Institutt and Website Carbon from the browser?

Only Meteorologisk Institutt is browser-friendly — it returns CORS headers over HTTPS. Website Carbon needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Meteorologisk Institutt and Website Carbon free for commercial use?

Meteorologisk Institutt allows commercial use on its free tier, and Website Carbon 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.