{
  "x402Version": 2,
  "id": 12347,
  "slug": "12347",
  "resource": "https://agent-contract-proof.mattskowronis.workers.dev/v1/verify",
  "description": "Compare an agent's advertised contract with its live x402 challenge and return deterministic proof.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x3a438B911B8E2995a9C855578F95B2889752498F",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "10000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "url": "https://source-claim-proof.mattskowronis.workers.dev"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "checked_at": "2026-01-01T00:00:00.000Z",
            "checks": [
              {
                "evidence_url": "https://example.com/v1/tool",
                "expected": "0.01",
                "id": "price",
                "observed": "0.01",
                "status": "pass"
              }
            ],
            "contract_hash": "0000000000000000000000000000000000000000000000000000000000000000",
            "declared": {
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "evidence_url": "https://example.com/openapi.json",
              "input_schema_declared": true,
              "method": "POST",
              "network": "eip155:8453",
              "output_schema_declared": true,
              "path": "/v1/tool",
              "pay_to": "0x0000000000000000000000000000000000000001",
              "price_usd": "0.01",
              "source": "openapi"
            },
            "evidence_urls": [
              "https://example.com/openapi.json",
              "https://example.com/v1/tool"
            ],
            "mismatches": [],
            "observed": {
              "amount_atomic": "10000",
              "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "challenge_source": "header",
              "http_status": 402,
              "network": "eip155:8453",
              "pay_to": "0x0000000000000000000000000000000000000001",
              "price_usd": "0.01",
              "scheme": "exact",
              "x402_version": 2
            },
            "service_version": "1.0.0",
            "target_method": "POST",
            "target_status": "verified",
            "target_url": "https://example.com/v1/tool",
            "verdict": "conforms"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "expected_hash": {
                    "description": "Optional previous contract_hash. A mismatch proves the public contract changed.",
                    "pattern": "^[a-fA-F0-9]{64}$",
                    "type": "string"
                  },
                  "method": {
                    "description": "Optional method to probe. If omitted, the advertised method is used, then GET as a fallback.",
                    "enum": [
                      "GET",
                      "POST",
                      "PUT",
                      "PATCH",
                      "DELETE"
                    ],
                    "type": "string"
                  },
                  "url": {
                    "description": "Public HTTP or HTTPS agent/API URL. An origin URL may be resolved through discovery metadata.",
                    "maxLength": 2048,
                    "type": "string"
                  }
                },
                "required": [
                  "url"
                ]
              },
              "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": {
                "additionalProperties": false,
                "properties": {
                  "checked_at": {
                    "type": "string"
                  },
                  "checks": {
                    "items": {
                      "type": "object"
                    },
                    "type": "array"
                  },
                  "contract_hash": {
                    "pattern": "^[a-f0-9]{64}$",
                    "type": "string"
                  },
                  "declared": {
                    "description": "Normalized public Agent Card or OpenAPI declaration.",
                    "type": "object"
                  },
                  "evidence_urls": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "mismatches": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "observed": {
                    "description": "Normalized live HTTP/x402 challenge.",
                    "type": "object"
                  },
                  "service_version": {
                    "type": "string"
                  },
                  "target_method": {
                    "enum": [
                      "GET",
                      "POST",
                      "PUT",
                      "PATCH",
                      "DELETE"
                    ],
                    "type": "string"
                  },
                  "target_status": {
                    "enum": [
                      "verified",
                      "unreachable",
                      "blocked",
                      "unsupported",
                      "insufficient_evidence"
                    ],
                    "type": "string"
                  },
                  "target_url": {
                    "type": "string"
                  },
                  "verdict": {
                    "enum": [
                      "conforms",
                      "mismatch",
                      "unreachable",
                      "insufficient_evidence"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "verdict",
                  "target_url",
                  "target_method",
                  "target_status",
                  "declared",
                  "observed",
                  "checks",
                  "mismatches",
                  "evidence_urls",
                  "checked_at",
                  "contract_hash",
                  "service_version"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "agent-contract-proof.mattskowronis.workers.dev",
  "lastUpdated": "2026-09-14T19:57:38.089Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-14T19:57:37.721Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "agent-contract-proof.mattskowronis.workers.dev",
    "manifest_name": "agent-contract-proof.mattskowronis.workers.dev",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}