eu-verify
GET https://data.greeneris.io/v1/solar/history
Historical daily solar irradiance and weather series from NASA POWER for any lat/lon: ALLSKY_SFC_SW_DWN (kWh/m2/day), T2M (deg C), WS10M (m/s) and other POWER codes. Query: ?latitude=48.85&longitude=2.35&start=20260601&end=20260630¶meters=ALLSKY_SFC_SW_DWN,T2M. Coverage 1981..present (few days lag), max 366 days per call, -999 marks missing days. 24h cache. Sized for PV project due diligence, agrivoltaics and off-grid design.
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://data.greeneris.io/v1/solar/history"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 10:31 | Valid 402 | 402 | 460 ms | $0.01 |
| 2026-10-11 06:00 | Valid 402 | 402 | 1029 ms | $0.01 |
| 2026-10-11 01:30 | Valid 402 | 402 | 1198 ms | $0.01 |
| 2026-10-10 21:00 | Valid 402 | 402 | 695 ms | $0.01 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves