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Danish data service Energi vs openSenseMap

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

APIDanish data service EnergiHEALTHY87openSenseMapHEALTHY84
Uptime · 30d
Uptime · 90d100%90.2%
Uptime · 30d100%90.0%
P50 · ms888655
P95 · ms27894139
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedOpen data (license set per senseBox; often public domain)
Free tierFree — no API keyFree (open-source citizen-science platform)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Danish data service Energi vs openSenseMap: common questions

Which is more reliable, Danish data service Energi or openSenseMap?

On our scheduled checks, Danish data service Energi leads on measured uptime — Danish data service Energi at 100% versus openSenseMap at 90.2% 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 openSenseMap?

openSenseMap has the lower median latency in our checks — Danish data service Energi responds in 888 ms versus openSenseMap at 655 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 openSenseMap need an API key?

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

Can I call Danish data service Energi and openSenseMap from the browser?

Only openSenseMap 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 openSenseMap free for commercial use?

Danish data service Energi has unclear commercial terms, and openSenseMap 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.