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Api Endpoint

River Hydro Data

Daily river discharge forecast from the Copernicus GloFAS model (5 km grid) served via Open-Meteo Flood API, data CC-BY 4.0. Query: ?latitude=45.75&longitude=4.85&forecast_days=7 (1-210 days; daily=river_discharge,river_discharge_max for extra variables). Returns ISO date + m3/s arrays -- flood risk, inland shipping (Rhine/Danube) and hydropower planning. 6h cache.

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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/hydro/river
MIME type
application/json
First seen
2026-10-16T01:50:45.949Z
Last seen
Tags
hydrology, river, flood, discharge, glofas, copernicus

Website

Payment pricing

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

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff"
  }
]

Observed health

Status
Healthy
Latest latency
103 ms
Average latency
455 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"
      ],
      "properties": {
        "latitude": {
          "type": "number",
          "description": "Latitude of a point on a river (-90..90)"
        },
        "longitude": {
          "type": "number",
          "description": "Longitude of a point on a river (-180..180)"
        },
        "daily": {
          "type": "string",
          "default": "river_discharge",
          "description": "Comma-separated variables, e.g. river_discharge,river_discharge_max"
        },
        "forecast_days": {
          "type": "integer",
          "minimum": 1,
          "maximum": 210,
          "default": 7
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "daily": {
      "time": [
        "2026-07-13",
        "2026-07-14",
        "2026-07-15"
      ],
      "river_discharge": [
        296.17,
        290.07,
        281.49
      ]
    },
    "source": "GloFAS (Copernicus Emergency Management Service) via Open-Meteo Flood API, CC-BY 4.0",
    "latitude": 45.775,
    "longitude": 4.8750153,
    "daily_units": {
      "time": "iso8601",
      "river_discharge": "m³/s"
    }
  }
}