Near-real-time pump prices (EUR/L) for French gas stations from the official roulez-eco fe

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "dept": "75",
          "fuel": "gazole",
          "limit": 3
        },
        "type": "http"
      },
      "output": {
        "example": {
          "city": null,
          "count": 1,
          "dept": "75",
          "sorted_by": "gazole_prix asc",
          "source": "Prix des carburants, flux instantane (data.economie.gouv.fr / roulez-eco, Licence Ouverte 2.0)",
          "stations": [
            {
              "address": "2/10 BLD FORT DE VAUX",
              "city": "Paris",
              "dept": "75",
              "id": 92300004,
              "lat": 48.893,
              "lon": 2.302,
              "open_24h_automat": true,
              "postal_code": "75017",
              "prices": {
                "gazole": {
                  "price_eur_l": 1.94,
                  "updated_at": "2026-07-13T09:49:54+00:00"
                },
                "sp98": {
                  "price_eur_l": 1.989,
                  "updated_at": "2026-07-13T09:49:54+00:00"
                }
              }
            }
          ],
          "total_count": 45
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "city": {
                  "description": "City name, e.g. Lyon",
                  "type": "string"
                },
                "dept": {
                  "description": "French departement code, e.g. 75, 2A, 971",
                  "type": "string"
                },
                "fuel": {
                  "description": "Sort cheapest-first by this fuel and require it in stock",
                  "enum": [
                    "gazole",
                    "sp95",
                    "sp98",
                    "e10",
                    "e85",
                    "gplc"
                  ],
                  "type": "string"
                },
                "limit": {
                  "description": "Max stations, 1-40 (default 10)",
                  "type": "integer"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://data.greeneris.io/v1/fr/fuel"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://data.greeneris.io/v1/fr/fuel");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://data.greeneris.io/v1/fr/fuel")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header