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Danish data service Energi vs Open-Meteo

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

APIDanish data service EnergiHEALTHY87Open-MeteoHEALTHY90
Uptime · 30d
Uptime · 90d100%95.1%
Uptime · 30d100%93.3%
P50 · ms888673
P95 · ms27891193
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearno
Data licenseUnverifiedCC-BY 4.0
Free tierFree — no API key<10,000 calls/day, no signup
Rate limitUnpublished600/min · 5,000/hour
In directory since2026-07-052026-05-02
operationalpartialdownno data

Danish data service Energi vs Open-Meteo: common questions

Which is more reliable, Danish data service Energi or Open-Meteo?

On our scheduled checks, Danish data service Energi leads on measured uptime — Danish data service Energi at 100% versus Open-Meteo at 95.1% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Danish data service Energi or Open-Meteo?

Open-Meteo has the lower median latency in our checks — Danish data service Energi responds in 888 ms versus Open-Meteo at 673 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 Danish data service Energi and Open-Meteo need an API key?

Neither needs a paid key — Danish data service Energi is callable with no signup, and Open-Meteo is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Danish data service Energi and Open-Meteo from the browser?

Only Open-Meteo is browser-friendly — it returns CORS headers over HTTPS. Danish data service Energi needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Danish data service Energi and Open-Meteo free for commercial use?

Danish data service Energi has unclear commercial terms, and Open-Meteo is personal/non-commercial only. 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.