KYB identity verification for due diligence and compliance: confirm that a business regist

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xbD23a7e6eE1F1b8b5D5AeFEB4fBdE2B84C04bD5C",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "50000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "business_number": "124-81-00998",
          "opening_date": "2015-03-02",
          "representative_name": "홍길동"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "business_number": "1248100998",
          "cache": false,
          "checked_at": "2026-09-03T00:56:04.239Z",
          "closed_date": null,
          "identity_match": false,
          "source": "Korea National Tax Service (NTS)",
          "status": "active",
          "status_code_raw": "01",
          "tax_type": "general"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "address": {
                  "description": "Optional business address to include in the match",
                  "type": "string"
                },
                "business_number": {
                  "description": "10-digit Korean business registration number; hyphens/spaces allowed",
                  "type": "string"
                },
                "opening_date": {
                  "description": "Business opening date, YYYY-MM-DD",
                  "type": "string"
                },
                "representative_name": {
                  "description": "Representative (CEO) name as registered",
                  "type": "string"
                }
              },
              "required": [
                "business_number",
                "representative_name",
                "opening_date"
              ]
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "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://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/verify"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/verify");
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://kbv-server-f7vfitmlkq-du.a.run.app/v1/business/verify")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header