{
  "x402Version": 2,
  "id": 40181,
  "slug": "40181",
  "resource": "https://verifier.quantumshieldlabs.dev/x402/preflight",
  "description": "Return an advisory ALLOW, DENY, or ESCALATE decision by comparing a bounded action request with authority, constraints, and evidence supplied by the caller. The service does not execute or legally authorize the action, access a wallet, validate identity, or independently observe facts.",
  "type": "http",
  "resourceType": "Travel",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x550205ECa42aAE871CFED6BC943fB2cF59F1d057",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "5000",
      "amountUsd": 0.005,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "additionalProperties": false,
        "properties": {
          "authority_boundary": {
            "type": "string"
          },
          "decision": {
            "enum": [
              "ALLOW",
              "DENY",
              "ESCALATE"
            ],
            "type": "string"
          },
          "evidence_boundary": {
            "const": "caller_supplied"
          },
          "matched_constraints": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "missing_evidence": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "operation_id": {
            "type": "string"
          },
          "reason_code": {
            "enum": [
              "P001",
              "P002",
              "P003"
            ],
            "type": "string"
          },
          "reasons": {
            "items": {
              "type": "string"
            },
            "type": "array"
          },
          "receipt_hash": {
            "pattern": "^[0-9a-f]{64}$",
            "type": "string"
          }
        },
        "required": [
          "operation_id",
          "decision",
          "reason_code",
          "reasons",
          "matched_constraints",
          "missing_evidence",
          "evidence_boundary",
          "authority_boundary",
          "receipt_hash"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "action_type": "purchase",
            "authority_scope": {
              "allowed_action_types": [
                "purchase"
              ],
              "denied_action_types": [
                "withdraw"
              ],
              "human_approval_action_types": [
                "transfer"
              ]
            },
            "constraints": {
              "max_spend_usd": "5.00",
              "prohibited_destinations": [
                "blocked-market.example"
              ],
              "required_evidence": [
                "inventory_check"
              ]
            },
            "evidence_items": [
              {
                "name": "inventory_check",
                "result": true
              }
            ],
            "operation_id": "purchase-42",
            "requested_action": {
              "description": "Buy an approved test asset",
              "destination": "approved-market.example",
              "spend_usd": "4.50"
            }
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "authority_boundary": "advisory_only: does not execute, authorize, or independently observe an action",
            "decision": "ALLOW",
            "evidence_boundary": "caller_supplied",
            "matched_constraints": [
              "authority_scope.allowed_action_types",
              "constraints.max_spend_usd",
              "constraints.required_evidence"
            ],
            "missing_evidence": [],
            "operation_id": "purchase-42",
            "reason_code": "P001",
            "reasons": [
              "submitted request satisfies submitted policy"
            ],
            "receipt_hash": "0000000000000000000000000000000000000000000000000000000000000000"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "action_type": {
                    "maxLength": 4096,
                    "type": "string"
                  },
                  "authority_scope": {
                    "additionalProperties": false,
                    "properties": {
                      "allowed_action_types": {
                        "items": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "maxItems": 100,
                        "type": "array"
                      },
                      "denied_action_types": {
                        "items": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "maxItems": 100,
                        "type": "array"
                      },
                      "human_approval_action_types": {
                        "items": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "maxItems": 100,
                        "type": "array"
                      }
                    },
                    "type": "object"
                  },
                  "constraints": {
                    "additionalProperties": false,
                    "properties": {
                      "max_spend_usd": {
                        "type": [
                          "string",
                          "number"
                        ]
                      },
                      "prohibited_destinations": {
                        "items": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "maxItems": 100,
                        "type": "array"
                      },
                      "required_evidence": {
                        "items": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "maxItems": 100,
                        "type": "array"
                      }
                    },
                    "type": "object"
                  },
                  "evidence_items": {
                    "items": {
                      "additionalProperties": false,
                      "properties": {
                        "description": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "name": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "result": {
                          "type": [
                            "boolean",
                            "null"
                          ]
                        },
                        "source": {
                          "maxLength": 4096,
                          "type": "string"
                        }
                      },
                      "required": [
                        "name"
                      ],
                      "type": "object"
                    },
                    "maxItems": 50,
                    "type": "array"
                  },
                  "operation_id": {
                    "maxLength": 4096,
                    "type": "string"
                  },
                  "requested_action": {
                    "additionalProperties": false,
                    "properties": {
                      "description": {
                        "maxLength": 4096,
                        "type": "string"
                      },
                      "destination": {
                        "maxLength": 4096,
                        "type": "string"
                      },
                      "spend_usd": {
                        "type": [
                          "string",
                          "number"
                        ]
                      }
                    },
                    "required": [
                      "description"
                    ],
                    "type": "object"
                  }
                },
                "required": [
                  "operation_id",
                  "action_type",
                  "requested_action",
                  "authority_scope"
                ],
                "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": {
                "additionalProperties": false,
                "properties": {
                  "authority_boundary": {
                    "type": "string"
                  },
                  "decision": {
                    "enum": [
                      "ALLOW",
                      "DENY",
                      "ESCALATE"
                    ],
                    "type": "string"
                  },
                  "evidence_boundary": {
                    "const": "caller_supplied"
                  },
                  "matched_constraints": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "missing_evidence": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "operation_id": {
                    "type": "string"
                  },
                  "reason_code": {
                    "enum": [
                      "P001",
                      "P002",
                      "P003"
                    ],
                    "type": "string"
                  },
                  "reasons": {
                    "items": {
                      "type": "string"
                    },
                    "type": "array"
                  },
                  "receipt_hash": {
                    "pattern": "^[0-9a-f]{64}$",
                    "type": "string"
                  }
                },
                "required": [
                  "operation_id",
                  "decision",
                  "reason_code",
                  "reasons",
                  "matched_constraints",
                  "missing_evidence",
                  "evidence_boundary",
                  "authority_boundary",
                  "receipt_hash"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "verifier.quantumshieldlabs.dev",
  "lastUpdated": "2026-10-08T22:07:05.729Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 3,
    "lastCalledAt": "2026-10-08T22:07:05.36Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "action_type": "purchase",
              "authority_scope": {
                "allowed_action_types": [
                  "purchase"
                ],
                "denied_action_types": [
                  "withdraw"
                ],
                "human_approval_action_types": [
                  "transfer"
                ]
              },
              "constraints": {
                "max_spend_usd": "5.00",
                "prohibited_destinations": [
                  "blocked-market.example"
                ],
                "required_evidence": [
                  "inventory_check"
                ]
              },
              "evidence_items": [
                {
                  "name": "inventory_check",
                  "result": true
                }
              ],
              "operation_id": "purchase-42",
              "requested_action": {
                "description": "Buy an approved test asset",
                "destination": "approved-market.example",
                "spend_usd": "4.50"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "authority_boundary": "advisory_only: does not execute, authorize, or independently observe an action",
              "decision": "ALLOW",
              "evidence_boundary": "caller_supplied",
              "matched_constraints": [
                "authority_scope.allowed_action_types",
                "constraints.max_spend_usd",
                "constraints.required_evidence"
              ],
              "missing_evidence": [],
              "operation_id": "purchase-42",
              "reason_code": "P001",
              "reasons": [
                "submitted request satisfies submitted policy"
              ],
              "receipt_hash": "0000000000000000000000000000000000000000000000000000000000000000"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "action_type": {
                      "maxLength": 4096,
                      "type": "string"
                    },
                    "authority_scope": {
                      "additionalProperties": false,
                      "properties": {
                        "allowed_action_types": {
                          "items": {
                            "maxLength": 4096,
                            "type": "string"
                          },
                          "maxItems": 100,
                          "type": "array"
                        },
                        "denied_action_types": {
                          "items": {
                            "maxLength": 4096,
                            "type": "string"
                          },
                          "maxItems": 100,
                          "type": "array"
                        },
                        "human_approval_action_types": {
                          "items": {
                            "maxLength": 4096,
                            "type": "string"
                          },
                          "maxItems": 100,
                          "type": "array"
                        }
                      },
                      "type": "object"
                    },
                    "constraints": {
                      "additionalProperties": false,
                      "properties": {
                        "max_spend_usd": {
                          "type": [
                            "string",
                            "number"
                          ]
                        },
                        "prohibited_destinations": {
                          "items": {
                            "maxLength": 4096,
                            "type": "string"
                          },
                          "maxItems": 100,
                          "type": "array"
                        },
                        "required_evidence": {
                          "items": {
                            "maxLength": 4096,
                            "type": "string"
                          },
                          "maxItems": 100,
                          "type": "array"
                        }
                      },
                      "type": "object"
                    },
                    "evidence_items": {
                      "items": {
                        "additionalProperties": false,
                        "properties": {
                          "description": {
                            "maxLength": 4096,
                            "type": "string"
                          },
                          "name": {
                            "maxLength": 4096,
                            "type": "string"
                          },
                          "result": {
                            "type": [
                              "boolean",
                              "null"
                            ]
                          },
                          "source": {
                            "maxLength": 4096,
                            "type": "string"
                          }
                        },
                        "required": [
                          "name"
                        ],
                        "type": "object"
                      },
                      "maxItems": 50,
                      "type": "array"
                    },
                    "operation_id": {
                      "maxLength": 4096,
                      "type": "string"
                    },
                    "requested_action": {
                      "additionalProperties": false,
                      "properties": {
                        "description": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "destination": {
                          "maxLength": 4096,
                          "type": "string"
                        },
                        "spend_usd": {
                          "type": [
                            "string",
                            "number"
                          ]
                        }
                      },
                      "required": [
                        "description"
                      ],
                      "type": "object"
                    }
                  },
                  "required": [
                    "operation_id",
                    "action_type",
                    "requested_action",
                    "authority_scope"
                  ],
                  "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": {
                  "additionalProperties": false,
                  "properties": {
                    "authority_boundary": {
                      "type": "string"
                    },
                    "decision": {
                      "enum": [
                        "ALLOW",
                        "DENY",
                        "ESCALATE"
                      ],
                      "type": "string"
                    },
                    "evidence_boundary": {
                      "const": "caller_supplied"
                    },
                    "matched_constraints": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "missing_evidence": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "operation_id": {
                      "type": "string"
                    },
                    "reason_code": {
                      "enum": [
                        "P001",
                        "P002",
                        "P003"
                      ],
                      "type": "string"
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "receipt_hash": {
                      "pattern": "^[0-9a-f]{64}$",
                      "type": "string"
                    }
                  },
                  "required": [
                    "operation_id",
                    "decision",
                    "reason_code",
                    "reasons",
                    "matched_constraints",
                    "missing_evidence",
                    "evidence_boundary",
                    "authority_boundary",
                    "receipt_hash"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "verifier.quantumshieldlabs.dev",
    "manifest_name": "verifier.quantumshieldlabs.dev",
    "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": {
      "authority_boundary": "string",
      "decision": "ALLOW",
      "evidence_boundary": null,
      "matched_constraints": [
        "string"
      ],
      "missing_evidence": [
        "string"
      ],
      "operation_id": "string",
      "reason_code": "P001",
      "reasons": [
        "string"
      ],
      "receipt_hash": "string"
    },
    "type": "string"
  }
}