{
  "x402Version": 2,
  "id": 41587,
  "slug": "41587",
  "resource": "https://mpp.tracefast.xyz/api/v1/chains/1/entities/:address/attributes/:attribute_id/proof",
  "description": "TraceFast knowledge graph: the evidence behind one proven attribute of an address — the facts that were checked with their expected and observed values, the conditions that had to be false, the sources the evidence was read from, and the block the evaluation was pinned to. Path address: The address, `0x`-prefixed, 40 hex characters, any case; attribute_id: The attribute id, `family:name`, as listed by the attributes method. Docs: https://docs.tracefast.xyz/api/address-attribute-proof.md",
  "type": "http",
  "serviceName": "TraceFast",
  "resourceType": "Blockchain Data",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x2A65491E93Ad0d484b74405401A38e2E0E5EDd7e",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "50000",
      "amountUsd": 0.05,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "example": {
      "data": {
        "attributeId": "address_nature:eoa_currently",
        "bindingVersions": {
          "ev:1edb2dd7bd16": "ev:6a434a2cbb0d",
          "ev:68f90586498a": "ev:6b3b228a29e5",
          "ev:76fc5d34b166": "ev:d85381802df0",
          "ev:788c3564f26d": "ev:9be1a0687a15",
          "ev:8af928889291": "ev:c638c54f6366",
          "ev:e4706e0777b1": "ev:13ffd8c3998f"
        },
        "chainId": 1,
        "definitionVersion": "1.0.0",
        "dependencyProofRefs": [],
        "evaluatedAt": 1790780370,
        "evaluatorVersion": "1.0.0",
        "factResults": [
          {
            "fact_id": "account_evidence_state_or_signature",
            "observed": true,
            "operator": "exists",
            "threshold": 1
          }
        ],
        "failureReasonCodes": [],
        "graphRevision": "4855f85e632b317a25acd1aa04d7b88242f55acf",
        "negativeControlResults": [
          {
            "control_id": "not_ever_runtime_code",
            "evaluation": "must_be_false",
            "observed": false
          }
        ],
        "proofHash": "sha256:eb9411b5f415aaf095d5c68831b6176b110d60fb6dd47afa2581c4d96cf368b5",
        "referenceBlock": 16976894,
        "referenceBlockHash": "0x7639d2adc72d2333b23d4c19f937559c3dad98f6eb685f391e5f273f21eb6179",
        "result": "pass",
        "selectedFamilyId": "account_without_runtime_code_eoa",
        "snapshotId": "eth-mainnet@16976894",
        "sourceEvidenceRefs": [
          {
            "sourceId": "ev:7955b9d78504"
          }
        ],
        "subject": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97"
      }
    },
    "type": "json"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "pathParams": {
            "address": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
            "attribute_id": "address_nature%3Aeoa_currently"
          },
          "queryParams": {},
          "type": "http"
        },
        "output": {
          "example": {
            "data": {
              "attributeId": "address_nature:eoa_currently",
              "bindingVersions": {
                "ev:1edb2dd7bd16": "ev:6a434a2cbb0d",
                "ev:68f90586498a": "ev:6b3b228a29e5",
                "ev:76fc5d34b166": "ev:d85381802df0",
                "ev:788c3564f26d": "ev:9be1a0687a15",
                "ev:8af928889291": "ev:c638c54f6366",
                "ev:e4706e0777b1": "ev:13ffd8c3998f"
              },
              "chainId": 1,
              "definitionVersion": "1.0.0",
              "dependencyProofRefs": [],
              "evaluatedAt": 1790780370,
              "evaluatorVersion": "1.0.0",
              "factResults": [
                {
                  "fact_id": "account_evidence_state_or_signature",
                  "observed": true,
                  "operator": "exists",
                  "threshold": 1
                }
              ],
              "failureReasonCodes": [],
              "graphRevision": "4855f85e632b317a25acd1aa04d7b88242f55acf",
              "negativeControlResults": [
                {
                  "control_id": "not_ever_runtime_code",
                  "evaluation": "must_be_false",
                  "observed": false
                }
              ],
              "proofHash": "sha256:eb9411b5f415aaf095d5c68831b6176b110d60fb6dd47afa2581c4d96cf368b5",
              "referenceBlock": 16976894,
              "referenceBlockHash": "0x7639d2adc72d2333b23d4c19f937559c3dad98f6eb685f391e5f273f21eb6179",
              "result": "pass",
              "selectedFamilyId": "account_without_runtime_code_eoa",
              "snapshotId": "eth-mainnet@16976894",
              "sourceEvidenceRefs": [
                {
                  "sourceId": "ev:7955b9d78504"
                }
              ],
              "subject": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97"
            }
          },
          "type": "json"
        }
      },
      "routeTemplate": "/api/v1/chains/1/entities/:address/attributes/:attribute_id/proof",
      "schema": {
        "properties": {
          "input": {
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "pathParams": {
                "type": "object"
              }
            },
            "required": [
              "method"
            ]
          }
        }
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
          {
            "acceptIndex": 0,
            "format": "jws",
            "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6bXBwLnRyYWNlZmFzdC54eXojMjAyNi0xMCJ9.eyJhbW91bnQiOiI1MDAwMCIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwibmV0d29yayI6ImVpcDE1NTo4NDUzIiwicGF5VG8iOiIweDJBNjU0OTFFOTNBZDBkNDg0Yjc0NDA1NDAxQTM4ZTJFMEU1RURkN2UiLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vbXBwLnRyYWNlZmFzdC54eXovYXBpL3YxL2NoYWlucy8xL2VudGl0aWVzLzB4NDgzOGIxMDZmY2U5NjQ3YmRmMWU3ODc3YmY3M2NlOGIwYmFkNWY5Ny9hdHRyaWJ1dGVzL2FkZHJlc3NfbmF0dXJlJTNBZW9hX2N1cnJlbnRseS9wcm9vZiIsInNjaGVtZSI6ImV4YWN0IiwidmFsaWRVbnRpbCI6MTc5MDkzMzA0MSwidmVyc2lvbiI6MX0.FodrhWsyJYZaHJrz4coaeKcAZlaZPmiv6PupWlqivpq34UqV3BMSj-h6J7C_MFTbX1ECPbv24sFFmUyB4KLTBQ"
          }
        ]
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "offers": {
            "items": {
              "properties": {
                "acceptIndex": {
                  "type": "integer"
                },
                "format": {
                  "type": "string"
                },
                "payload": {
                  "properties": {
                    "amount": {
                      "type": "string"
                    },
                    "asset": {
                      "type": "string"
                    },
                    "network": {
                      "type": "string"
                    },
                    "payTo": {
                      "type": "string"
                    },
                    "resourceUrl": {
                      "type": "string"
                    },
                    "scheme": {
                      "type": "string"
                    },
                    "validUntil": {
                      "type": "integer"
                    },
                    "version": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "version",
                    "resourceUrl",
                    "scheme",
                    "network",
                    "asset",
                    "payTo",
                    "amount"
                  ],
                  "type": "object"
                },
                "signature": {
                  "type": "string"
                }
              },
              "required": [
                "format",
                "signature"
              ],
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "offers"
        ],
        "type": "object"
      }
    },
    "tracefast-receipt": {
      "info": {
        "method": "entity-attribute-proof",
        "version": 1
      }
    }
  },
  "tags": [
    "blockchain",
    "ethereum",
    "address-intelligence",
    "labels",
    "entities",
    "bazaar",
    "offer-receipt",
    "tracefast-receipt"
  ],
  "sourceHost": "mpp.tracefast.xyz",
  "lastUpdated": "2026-10-02T09:19:01.087Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-02T09:19:00.751Z"
  },
  "metadata": {
    "serviceName": "TraceFast",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "pathParams": {
              "address": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
              "attribute_id": "address_nature%3Aeoa_currently"
            },
            "queryParams": {},
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "attributeId": "address_nature:eoa_currently",
                "bindingVersions": {
                  "ev:1edb2dd7bd16": "ev:6a434a2cbb0d",
                  "ev:68f90586498a": "ev:6b3b228a29e5",
                  "ev:76fc5d34b166": "ev:d85381802df0",
                  "ev:788c3564f26d": "ev:9be1a0687a15",
                  "ev:8af928889291": "ev:c638c54f6366",
                  "ev:e4706e0777b1": "ev:13ffd8c3998f"
                },
                "chainId": 1,
                "definitionVersion": "1.0.0",
                "dependencyProofRefs": [],
                "evaluatedAt": 1790780370,
                "evaluatorVersion": "1.0.0",
                "factResults": [
                  {
                    "fact_id": "account_evidence_state_or_signature",
                    "observed": true,
                    "operator": "exists",
                    "threshold": 1
                  }
                ],
                "failureReasonCodes": [],
                "graphRevision": "4855f85e632b317a25acd1aa04d7b88242f55acf",
                "negativeControlResults": [
                  {
                    "control_id": "not_ever_runtime_code",
                    "evaluation": "must_be_false",
                    "observed": false
                  }
                ],
                "proofHash": "sha256:eb9411b5f415aaf095d5c68831b6176b110d60fb6dd47afa2581c4d96cf368b5",
                "referenceBlock": 16976894,
                "referenceBlockHash": "0x7639d2adc72d2333b23d4c19f937559c3dad98f6eb685f391e5f273f21eb6179",
                "result": "pass",
                "selectedFamilyId": "account_without_runtime_code_eoa",
                "snapshotId": "eth-mainnet@16976894",
                "sourceEvidenceRefs": [
                  {
                    "sourceId": "ev:7955b9d78504"
                  }
                ],
                "subject": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97"
              }
            },
            "type": "json"
          }
        },
        "routeTemplate": "/api/v1/chains/1/entities/:address/attributes/:attribute_id/proof",
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "pathParams": {
                  "type": "object"
                }
              },
              "required": [
                "method"
              ]
            }
          }
        }
      },
      "offer-receipt": {
        "info": {
          "offers": [
            {
              "acceptIndex": 0,
              "format": "jws",
              "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6bXBwLnRyYWNlZmFzdC54eXojMjAyNi0xMCJ9.eyJhbW91bnQiOiI1MDAwMCIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwibmV0d29yayI6ImVpcDE1NTo4NDUzIiwicGF5VG8iOiIweDJBNjU0OTFFOTNBZDBkNDg0Yjc0NDA1NDAxQTM4ZTJFMEU1RURkN2UiLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vbXBwLnRyYWNlZmFzdC54eXovYXBpL3YxL2NoYWlucy8xL2VudGl0aWVzLzB4NDgzOGIxMDZmY2U5NjQ3YmRmMWU3ODc3YmY3M2NlOGIwYmFkNWY5Ny9hdHRyaWJ1dGVzL2FkZHJlc3NfbmF0dXJlJTNBZW9hX2N1cnJlbnRseS9wcm9vZiIsInNjaGVtZSI6ImV4YWN0IiwidmFsaWRVbnRpbCI6MTc5MDkzMzA0MSwidmVyc2lvbiI6MX0.FodrhWsyJYZaHJrz4coaeKcAZlaZPmiv6PupWlqivpq34UqV3BMSj-h6J7C_MFTbX1ECPbv24sFFmUyB4KLTBQ"
            }
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "offers": {
              "items": {
                "properties": {
                  "acceptIndex": {
                    "type": "integer"
                  },
                  "format": {
                    "type": "string"
                  },
                  "payload": {
                    "properties": {
                      "amount": {
                        "type": "string"
                      },
                      "asset": {
                        "type": "string"
                      },
                      "network": {
                        "type": "string"
                      },
                      "payTo": {
                        "type": "string"
                      },
                      "resourceUrl": {
                        "type": "string"
                      },
                      "scheme": {
                        "type": "string"
                      },
                      "validUntil": {
                        "type": "integer"
                      },
                      "version": {
                        "type": "integer"
                      }
                    },
                    "required": [
                      "version",
                      "resourceUrl",
                      "scheme",
                      "network",
                      "asset",
                      "payTo",
                      "amount"
                    ],
                    "type": "object"
                  },
                  "signature": {
                    "type": "string"
                  }
                },
                "required": [
                  "format",
                  "signature"
                ],
                "type": "object"
              },
              "type": "array"
            }
          },
          "required": [
            "offers"
          ],
          "type": "object"
        }
      },
      "tracefast-receipt": {
        "info": {
          "method": "entity-attribute-proof",
          "version": 1
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "mpp.tracefast.xyz",
    "manifest_name": "mpp.tracefast.xyz",
    "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": {
    "data": {
      "attributeId": "address_nature:eoa_currently",
      "bindingVersions": {
        "ev:1edb2dd7bd16": "ev:6a434a2cbb0d",
        "ev:68f90586498a": "ev:6b3b228a29e5",
        "ev:76fc5d34b166": "ev:d85381802df0",
        "ev:788c3564f26d": "ev:9be1a0687a15",
        "ev:8af928889291": "ev:c638c54f6366",
        "ev:e4706e0777b1": "ev:13ffd8c3998f"
      },
      "chainId": 1,
      "definitionVersion": "1.0.0",
      "dependencyProofRefs": [],
      "evaluatedAt": 1790780370,
      "evaluatorVersion": "1.0.0",
      "factResults": [
        {
          "fact_id": "account_evidence_state_or_signature",
          "observed": true,
          "operator": "exists",
          "threshold": 1
        }
      ],
      "failureReasonCodes": [],
      "graphRevision": "4855f85e632b317a25acd1aa04d7b88242f55acf",
      "negativeControlResults": [
        {
          "control_id": "not_ever_runtime_code",
          "evaluation": "must_be_false",
          "observed": false
        }
      ],
      "proofHash": "sha256:eb9411b5f415aaf095d5c68831b6176b110d60fb6dd47afa2581c4d96cf368b5",
      "referenceBlock": 16976894,
      "referenceBlockHash": "0x7639d2adc72d2333b23d4c19f937559c3dad98f6eb685f391e5f273f21eb6179",
      "result": "pass",
      "selectedFamilyId": "account_without_runtime_code_eoa",
      "snapshotId": "eth-mainnet@16976894",
      "sourceEvidenceRefs": [
        {
          "sourceId": "ev:7955b9d78504"
        }
      ],
      "subject": "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97"
    }
  }
}