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Meteorologisk Institutt vs National Grid ESO

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

APIMeteorologisk InstituttHEALTHY92National Grid ESOHEALTHY92
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms621609
P95 · ms18571311
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useyesunclear
Data licenseCC BY 4.0 / NLOD (Norwegian Licence for Open Government Data)NESO Open Data Licence (OGL-based); varies per dataset
Free tierFree, no key; requires identifying User-AgentFree — limits not published
Rate limitThrottled; identify via User-Agent and respect caching headers (per docs)Unpublished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 National Grid ESO: common questions

Which is more reliable, Meteorologisk Institutt or National Grid ESO?

Both are neck-and-neck — Meteorologisk Institutt and National Grid ESO 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, Meteorologisk Institutt or National Grid ESO?

National Grid ESO has the lower median latency in our checks — Meteorologisk Institutt responds in 621 ms versus National Grid ESO at 609 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 Meteorologisk Institutt and National Grid ESO need an API key?

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

Can I call Meteorologisk Institutt and National Grid ESO from the browser?

Yes — both Meteorologisk Institutt and National Grid ESO 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 Meteorologisk Institutt and National Grid ESO free for commercial use?

Meteorologisk Institutt allows commercial use on its free tier, and National Grid ESO 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.