NASA POWER
FreeLiveLast verified 24 Sept 2026
Provides NASA satellite-derived solar radiation, temperature, and weather-model data by coordinate and date.
Example request
curl -s 'https://power.larc.nasa.gov/api/temporal/daily/point?parameters=T2M&community=RE&longitude=-100&latitude=40&start=20220101&end=20220107&format=JSON'
Free tier, in plain English
Free and keyless with no stated request cap, though NASA reserves the right to throttle heavy usage to keep access fair.
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