{
  "x402Version": 2,
  "id": 31261,
  "slug": "31261",
  "resource": "https://mart402.com/v1/verify",
  "description": "Invoice field verification for AI agents: arithmetic consistency of invoice fields, line-item totals, JP registration number check-digit + corporate-number existence observation (official NTA registry), accounting JSON. 0.015/call.",
  "type": "http",
  "serviceName": "Mart402",
  "resourceType": "Payments",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xE3244a21D0d68bFa78b7CAd8C3b8777aDFbB3188",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "15000",
      "amountUsd": 0.015,
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "fields": {
              "invoice_no": "SAMPLE-001",
              "issue_date": "2026-09-05",
              "tax_jpy": "100",
              "total_jpy": "1100",
              "vendor": "Sample Shoji K.K."
            }
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "description": "JSON: per-check pass/fail with reasons",
          "example": {
            "accounting_json": {
              "currency": "JPY",
              "customer": null,
              "due_date": null,
              "invoice_no": null,
              "issue_date": null,
              "reg_no": "T1180301018771",
              "subtotal": 100000,
              "tax": 10000,
              "total": 110000,
              "vendor": "トヨタ自動車株式会社"
            },
            "checks": [
              {
                "check": "tax_rate_10pct",
                "detail": "net=100000 tax=10000 expected=10000",
                "pass": true
              },
              {
                "check": "invoice_reg_no_checkdigit",
                "detail": "reg=T1180301018771 cd=1 expected=1",
                "pass": true
              }
            ],
            "corp_registry": {
              "address_pref_city": "愛知県豊田市",
              "corporate_number": "1180301018771",
              "name": "トヨタ自動車株式会社",
              "note": "existence of the underlying corporate number in the Japan NTA corporate-number registry; NOT the qualified-invoice-issuer registration status. Sole proprietors are not in this registry, so not_found does not mean the number is invalid.",
              "source": "Japan NTA corporate number registry (houjin-bangou.nta.go.jp)",
              "status": "found",
              "vendor_name_match": "exact"
            },
            "note": "SAMPLE RESPONSE (recorded from a real production run). Served free at /samples/{product} so you can see the exact response shape before paying. No payment was taken.",
            "ok": true,
            "sample": true,
            "verified": true
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "fields": {
                    "type": "object"
                  }
                },
                "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"
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
          {
            "acceptIndex": 0,
            "format": "jws",
            "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6bWFydDQwMi5jb20ja2V5LTEifQ.eyJhbW91bnQiOiIxNTAwMCIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwibmV0d29yayI6ImVpcDE1NTo4NDUzIiwicGF5VG8iOiIweEUzMjQ0YTIxRDBkNjhiRmE3OGI3Q0FkOEMzYjg3NzdhREZiQjMxODgiLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vbWFydDQwMi5jb20vdjEvdmVyaWZ5Iiwic2NoZW1lIjoiZXhhY3QiLCJ2YWxpZFVudGlsIjoxNzkxNDM5OTk3LCJ2ZXJzaW9uIjoxfQ.MPBRPNVa_uPD_LsbdGYXzEig_HHf3XOHZk35iolFHqRlskjPZHi4aweF8NIncJkZhFcZlwTYb9Kran3QjDQsCw"
          }
        ]
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "offers": {
            "items": {
              "properties": {
                "acceptIndex": {
                  "type": "integer"
                },
                "format": {
                  "const": "jws",
                  "type": "string"
                },
                "signature": {
                  "description": "JWS compact serialization containing the offer payload",
                  "type": "string"
                }
              },
              "required": [
                "format",
                "signature"
              ],
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "offers"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "offer-receipt"
  ],
  "sourceHost": "mart402.com",
  "lastUpdated": "2026-10-08T06:08:17.388Z",
  "quality": {
    "calls30d": 5,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-08T06:08:17.262Z"
  },
  "metadata": {
    "serviceName": "Mart402",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "fields": {
                "invoice_no": "SAMPLE-001",
                "issue_date": "2026-09-05",
                "tax_jpy": "100",
                "total_jpy": "1100",
                "vendor": "Sample Shoji K.K."
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "description": "JSON: per-check pass/fail with reasons",
            "example": {
              "accounting_json": {
                "currency": "JPY",
                "customer": null,
                "due_date": null,
                "invoice_no": null,
                "issue_date": null,
                "reg_no": "T1180301018771",
                "subtotal": 100000,
                "tax": 10000,
                "total": 110000,
                "vendor": "トヨタ自動車株式会社"
              },
              "checks": [
                {
                  "check": "tax_rate_10pct",
                  "detail": "net=100000 tax=10000 expected=10000",
                  "pass": true
                },
                {
                  "check": "invoice_reg_no_checkdigit",
                  "detail": "reg=T1180301018771 cd=1 expected=1",
                  "pass": true
                }
              ],
              "corp_registry": {
                "address_pref_city": "愛知県豊田市",
                "corporate_number": "1180301018771",
                "name": "トヨタ自動車株式会社",
                "note": "existence of the underlying corporate number in the Japan NTA corporate-number registry; NOT the qualified-invoice-issuer registration status. Sole proprietors are not in this registry, so not_found does not mean the number is invalid.",
                "source": "Japan NTA corporate number registry (houjin-bangou.nta.go.jp)",
                "status": "found",
                "vendor_name_match": "exact"
              },
              "note": "SAMPLE RESPONSE (recorded from a real production run). Served free at /samples/{product} so you can see the exact response shape before paying. No payment was taken.",
              "ok": true,
              "sample": true,
              "verified": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "fields": {
                      "type": "object"
                    }
                  },
                  "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"
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "jws",
              "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6bWFydDQwMi5jb20ja2V5LTEifQ.eyJhbW91bnQiOiIxNTAwMCIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwibmV0d29yayI6ImVpcDE1NTo4NDUzIiwicGF5VG8iOiIweEUzMjQ0YTIxRDBkNjhiRmE3OGI3Q0FkOEMzYjg3NzdhREZiQjMxODgiLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vbWFydDQwMi5jb20vdjEvdmVyaWZ5Iiwic2NoZW1lIjoiZXhhY3QiLCJ2YWxpZFVudGlsIjoxNzkxNDM5OTk3LCJ2ZXJzaW9uIjoxfQ.MPBRPNVa_uPD_LsbdGYXzEig_HHf3XOHZk35iolFHqRlskjPZHi4aweF8NIncJkZhFcZlwTYb9Kran3QjDQsCw"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "const": "jws",
                    "type": "string"
                  },
                  "signature": {
                    "description": "JWS compact serialization containing the offer payload",
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "mart402.com",
    "manifest_name": "mart402.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  },
  "exampleResponse": {
    "example": {},
    "type": "string"
  }
}