Official DPE energy certificates for existing French dwellings from the ADEME dpe03existan

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "postal_code": "75011",
          "size": 5
        },
        "type": "http"
      },
      "output": {
        "example": {
          "certificates": [
            {
              "adresse_ban": "48 Rue de Montreuil 75011 Paris",
              "code_postal_ban": "75011",
              "conso_5_usages_par_m2_ep": 157,
              "date_etablissement_dpe": "2026-01-12",
              "emission_ges_5_usages_par_m2": 31,
              "etiquette_dpe": "D",
              "etiquette_ges": "D",
              "numero_dpe": "2675E0077791B",
              "periode_construction": "1948-1974",
              "surface_habitable_logement": 63.3,
              "type_batiment": "appartement"
            }
          ],
          "query": {
            "address": null,
            "postal_code": "75011",
            "size": 5
          },
          "returned": 1,
          "source": "ADEME dpe03existant (data.ademe.fr, Licence Ouverte 2.0)",
          "total_matches": 55207
        },
        "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": {
                "address": {
                  "description": "Free-text address matched against the BAN address field",
                  "type": "string"
                },
                "postal_code": {
                  "description": "5-digit French postal code, e.g. 75011",
                  "type": "string"
                },
                "size": {
                  "default": 10,
                  "description": "Number of certificates to return (1-50)",
                  "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/dpe"
# -> 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/dpe");
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/dpe")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header