SERVICE

energy-solar-forecast

Xynaptic Solar Forecast — 48h solar production forecast for a European region (radiation, cloud cover, peak hours, estimated output index). Parameter: ?region=fr (or lat/lon). No API key needed, real-time data.

$0.02 per call · /v1/energy-solar-forecast

Call it

curl -s https://api.xynaptic.io/v1/energy-solar-forecast \
  -H "Accept: application/json"

# -> 402 Payment Required (x402 challenge: price, payTo, networks)
# -> sign the payment, retry with PAYMENT-SIGNATURE -> 200

What you get back

{
  "service": "solar-forecast",
  "region": "fr",
  "forecast": [
    {
      "hour": "12:00",
      "radiation_wm2": 548,
      "cloud_cover_pct": 20
    }
  ],
  "peak_hours": [
    "11:00-15:00"
  ],
  "summary": "Solar peak 548 W/m2 at midday, clear afternoon."
}