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Storm Glass Marine Weather vs UK Carbon Intensity

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

APIStorm Glass Marine WeatherNEW—UK Carbon IntensityNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCC BY 4.0 (per API docs)
Free tierFree tier — API key requiredFree — no API key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Storm Glass Marine Weather vs UK Carbon Intensity: common questions

Which is more reliable, Storm Glass Marine Weather or UK Carbon Intensity?

On our scheduled checks, UK Carbon Intensity leads on measured uptime — Storm Glass Marine Weather 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 Storm Glass Marine Weather and UK Carbon Intensity need an API key?

UK Carbon Intensity needs no key, while Storm Glass Marine Weather requires a free API key. If you want to start calling without signup, reach for UK Carbon Intensity first.

Can I call Storm Glass Marine Weather and UK Carbon Intensity from the browser?

Yes — both Storm Glass Marine Weather 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 Storm Glass Marine Weather and UK Carbon Intensity free for commercial use?

Storm Glass Marine Weather 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.