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Automatic Weather Stations vs openSenseMap

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

APIAutomatic Weather StationsNEW—openSenseMapNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedOpen data (license set per senseBox; often public domain)
Free tierFree — limits not publishedFree (open-source citizen-science platform)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Automatic Weather Stations vs openSenseMap: common questions

Which is more reliable, Automatic Weather Stations or openSenseMap?

On our scheduled checks, openSenseMap leads on measured uptime — Automatic Weather Stations at —% versus openSenseMap 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 Automatic Weather Stations and openSenseMap need an API key?

Neither needs a paid key — Automatic Weather Stations 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 Automatic Weather Stations and openSenseMap from the browser?

Yes — both Automatic Weather Stations and openSenseMap 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 Automatic Weather Stations and openSenseMap free for commercial use?

Automatic Weather Stations 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.