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Api Endpoint

Solar History API

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&parameters=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.

Open interactive test console

Offering

Provider
data.greeneris.io
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Weather And Environment
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://data.greeneris.io/v1/solar/history
MIME type
application/json
First seen
2026-10-16T01:50:19.913Z
Last seen
Tags
solar, irradiance, climate, nasa, energy, pv

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff"
  }
]

Observed health

Status
Healthy
Latest latency
97 ms
Average latency
436 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET",
        "HEAD",
        "DELETE"
      ]
    },
    "queryParams": {
      "type": "object",
      "required": [
        "latitude",
        "longitude",
        "start",
        "end"
      ],
      "properties": {
        "latitude": {
          "type": "number",
          "description": "Latitude, decimal degrees (-90..90)"
        },
        "longitude": {
          "type": "number",
          "description": "Longitude, decimal degrees (-180..180)"
        },
        "start": {
          "type": "string",
          "description": "Start date YYYYMMDD (>= 19810101)"
        },
        "end": {
          "type": "string",
          "description": "End date YYYYMMDD (max 366 days after start)"
        },
        "parameters": {
          "type": "string",
          "description": "1-6 comma-separated NASA POWER codes",
          "default": "ALLSKY_SFC_SW_DWN,T2M"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "end": "2026-06-05",
    "daily": {
      "T2M": {
        "20260601": 18.41,
        "20260602": 16.17
      },
      "ALLSKY_SFC_SW_DWN": {
        "20260601": 7.0603,
        "20260602": 4.3289
      }
    },
    "start": "2026-06-01",
    "units": {
      "T2M": "C",
      "ALLSKY_SFC_SW_DWN": "kW-hr/m^2/day"
    },
    "source": "NASA POWER (power.larc.nasa.gov), NASA open data",
    "latitude": 48.85,
    "longitude": 2.35,
    "fill_value": -999
  }
}