Enrichment: attaches real on-chain context to a bare address (contract vs EOA, native bala

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xf74f2020aC3d73F2Bf5ee0F8Bf635475eA881319",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "address": ""
        },
        "type": "http"
      },
      "output": {
        "example": {
          "address": "",
          "classification": "contract",
          "isContract": false,
          "nativeBalanceEth": 0,
          "transactionCount": 0
        },
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "queryParams": {
              "properties": {
                "address": {
                  "description": "Address to look up.",
                  "type": "string"
                }
              },
              "required": [
                "address"
              ],
              "type": "object"
            }
          }
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "address": {
                  "type": "string"
                },
                "classification": {
                  "enum": [
                    "contract",
                    "new-wallet",
                    "active-wallet"
                  ],
                  "type": "string"
                },
                "isContract": {
                  "type": "boolean"
                },
                "nativeBalanceEth": {
                  "type": "number"
                },
                "transactionCount": {
                  "type": "integer"
                }
              },
              "type": "object"
            }
          }
        }
      }
    }
  }
}

curl "https://lab.paidapis.net/api/enrich-address"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://lab.paidapis.net/api/enrich-address");
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://lab.paidapis.net/api/enrich-address")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header