mirrored listing x402 eip155:8453solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

Estimate the market value of a French property from its address and surface area, using ac

Estimate the market value of a French property from its address and surface area, using actual recorded sale prices from the DVF open dataset rather than asking-price listings. Returns an estimated value, the local median price per square metre and the sample size behind it, so an agent can judge how reliable the figure is.

50000 (raw units)

price

calls / 30d

unique payers

2026-09-17

updated

Provider

api.x-402.online · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "3tvSUk2R16rrL4eo2diYpMUsBH1wa3tafqJE44x3bVgs",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "adresse": "10 rue de Rivoli Paris",
          "surface": "50",
          "type": "appartement"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "estimation": {
            "valeur_estimee": 605476
          },
          "prix_m2": {
            "median": 12110
          },
          "ville": "Paris"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {},
              "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"
    }
  }
}

Use it

curl

curl "https://api.x-402.online/v1/fr/estimation-immo"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://api.x-402.online/v1/fr/estimation-immo");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://api.x-402.online/v1/fr/estimation-immo")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/11932.json, and this resource appears in /discovery/resources and /discovery/search.