Grade a wallet's chain footprint, longevity and sampled tx intensity A-F across EVM networ

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xF4D938200445B0Df0f028af6d90D016147AEd095",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:42220",
    "payTo": "0xF4D938200445B0Df0f028af6d90D016147AEd095",
    "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:56",
    "payTo": "0xF4D938200445B0Df0f028af6d90D016147AEd095",
    "asset": "0x8AC76a51cc950d9822D68b83fE1Ad97B32Cd580d",
    "amount": "50000000000000000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "wallet_address": "0x2eFC66c0a78620Dd254443998BF2f11B685602E3"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "available": true,
          "certificate": {
            "data_hash": "0x…",
            "grade": "B",
            "grade_label": {
              "eng": "Good",
              "esp": "Bueno"
            },
            "onchain": {
              "chain_id": 42220,
              "status": "confirmed",
              "tx_hash": "0x…"
            },
            "signature": {
              "scheme": "eip712",
              "signer": "0xE7e9…"
            },
            "summary": {
              "eng": "Wallet maturity certificate (A-F).",
              "esp": "Certificado de madurez de wallet (A-F)."
            },
            "type": "MULTICHAIN"
          },
          "certificate_type": "multichain",
          "mode": "hot",
          "provider": "goldrush",
          "status": "ok"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "wallet_address": {
                  "description": "EVM wallet address (0x-prefixed, 42 chars)",
                  "type": "string"
                }
              },
              "required": [
                "wallet_address"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST",
                "PUT",
                "PATCH"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://walcert.globalscoreagent.com/v1/certificates/multichain"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://walcert.globalscoreagent.com/v1/certificates/multichain");
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://walcert.globalscoreagent.com/v1/certificates/multichain")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header