Groundhog Day API vs Meteorologisk Institutt

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0 / NLOD (Norwegian Licence for Open Government Data)
Free tierFree — limits not publishedFree, no key; requires identifying User-Agent
Rate limitUnpublishedThrottled; identify via User-Agent and respect caching headers (per docs)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Groundhog Day API vs Meteorologisk Institutt: common questions

Which is more reliable, Groundhog Day API or Meteorologisk Institutt?

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

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

Can I call Groundhog Day API and Meteorologisk Institutt from the browser?

Yes — both Groundhog Day API and Meteorologisk Institutt 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 Groundhog Day API and Meteorologisk Institutt free for commercial use?

Groundhog Day API has unclear commercial terms, and Meteorologisk Institutt 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.