openSenseMap vs UK Carbon Intensity
Same instrument, two spec sheets — measured, not claimed.
openSenseMap vs UK Carbon Intensity: common questions
Which is more reliable, openSenseMap or UK Carbon Intensity?
On our scheduled checks, UK Carbon Intensity leads on measured uptime — openSenseMap at —% versus UK Carbon Intensity 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 openSenseMap and UK Carbon Intensity need an API key?
Neither needs a paid key — openSenseMap is callable with no signup, and UK Carbon Intensity is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call openSenseMap and UK Carbon Intensity from the browser?
Yes — both openSenseMap and UK Carbon Intensity 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 openSenseMap and UK Carbon Intensity free for commercial use?
openSenseMap has unclear commercial terms, and UK Carbon Intensity 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.