{
  "x402Version": 2,
  "id": 53490,
  "slug": "53490",
  "resource": "https://headlessoracle.com/v5/status/x402",
  "description": "Signed market-state receipt for one exchange. OPEN/CLOSED/HALTED/UNKNOWN - Ed25519 signed, 60s TTL.",
  "type": "http",
  "resourceType": "MCP Tool",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x26D4Ffe98017D2f160E2dAaE9d119e3d8b860AD3",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "1000",
      "amountUsd": 0.001,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "coverage": {
            "description": "JSON-encoded string inside the signed bytes; JSON.parse it after verifying the signature. Added to the signed payload by commit 19ccb28 (2026-09-07); the example below predates it.",
            "type": "string"
          },
          "expires_at": {
            "description": "issued_at + 60s. Signed into the canonical payload - consumers must reject expired receipts.",
            "format": "date-time",
            "type": "string"
          },
          "halt_detection": {
            "enum": [
              "active",
              "schedule_only"
            ]
          },
          "issued_at": {
            "format": "date-time",
            "type": "string"
          },
          "issuer": {
            "const": "headlessoracle.com"
          },
          "mic": {
            "description": "ISO 10383 Market Identifier Code",
            "type": "string"
          },
          "public_key_id": {
            "description": "Active key ID published at /v5/keys",
            "type": "string"
          },
          "receipt_id": {
            "format": "uuid",
            "type": "string"
          },
          "receipt_mode": {
            "enum": [
              "demo",
              "live"
            ]
          },
          "schema_version": {
            "const": "v5.0"
          },
          "signature": {
            "description": "Ed25519 signature over canonical (alphabetical, no-whitespace) JSON of the payload, hex-encoded.",
            "pattern": "^[0-9a-f]{128}$",
            "type": "string"
          },
          "source": {
            "enum": [
              "SCHEDULE",
              "OVERRIDE",
              "SYSTEM",
              "REALTIME"
            ]
          },
          "status": {
            "description": "UNKNOWN must be treated as CLOSED (fail-closed contract).",
            "enum": [
              "OPEN",
              "CLOSED",
              "HALTED",
              "UNKNOWN"
            ]
          }
        },
        "required": [
          "receipt_id",
          "issued_at",
          "expires_at",
          "issuer",
          "mic",
          "status",
          "source",
          "halt_detection",
          "receipt_mode",
          "schema_version",
          "public_key_id",
          "signature"
        ],
        "type": "object"
      },
      "format": {
        "const": "application/json"
      },
      "type": {
        "const": "json"
      }
    },
    "required": [
      "type",
      "example"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "category": "financial-data",
        "description": "Ed25519-signed market-state receipt for one of 28 global exchanges. Pre-trade verification gate for autonomous financial agents. UNKNOWN = CLOSED (fail-closed). 60-second TTL. Holiday-aware, DST-correct, real-time halt detection for XNAS and XNYS only; schedule-based for the other 26.",
        "documentationUrl": "https://headlessoracle.com/docs",
        "exampleNote": "output.example is a real receipt captured 2026-06-05T16:03:15Z. Its Ed25519 signature verifies against key_2026_v1 published at /v5/keys (now expired by TTL - schema-illustrative).",
        "family": "market-state",
        "input": {
          "method": "GET",
          "queryParams": {
            "mic": "XNYS"
          },
          "type": "http"
        },
        "metadataUrl": "https://headlessoracle.com/.well-known/mcp/server-card.json",
        "output": {
          "example": {
            "expires_at": "2026-06-05T16:04:15.257Z",
            "halt_detection": "active",
            "issued_at": "2026-06-05T16:03:15.257Z",
            "issuer": "headlessoracle.com",
            "mic": "XNYS",
            "public_key_id": "key_2026_v1",
            "receipt_id": "eb2a23e4-c3cc-49dc-aa1e-e443eb89045e",
            "receipt_mode": "live",
            "schema_version": "v5.0",
            "signature": "ab5413710ca2c4b71a5241efe3be386b6e2d3e1746deb1686e42c2f718cdb76e6e4e5a077817c972e8c1c04a301da5465b147b533fc1e4505523f81d35b98901",
            "source": "SCHEDULE",
            "status": "OPEN"
          },
          "format": "application/json",
          "type": "json"
        },
        "pricingUrl": "https://headlessoracle.com/v5/pricing",
        "tags": [
          "market-state",
          "exchange-status",
          "pre-trade",
          "attestation",
          "Ed25519",
          "trading-hours",
          "holiday-calendar",
          "fail-closed",
          "28-exchanges",
          "signed-receipt",
          "MIC",
          "ISO-10383"
        ]
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET"
                ]
              },
              "queryParams": {
                "additionalProperties": false,
                "properties": {
                  "mic": {
                    "description": "ISO 10383 Market Identifier Code",
                    "enum": [
                      "XNYS",
                      "XNAS",
                      "XLON",
                      "XJPX",
                      "XPAR",
                      "XHKG",
                      "XSES",
                      "XASX",
                      "XBOM",
                      "XNSE",
                      "XSHG",
                      "XSHE",
                      "XKRX",
                      "XJSE",
                      "XBSP",
                      "XSWX",
                      "XMIL",
                      "XIST",
                      "XSAU",
                      "XDFM",
                      "XNZE",
                      "XHEL",
                      "XSTO",
                      "XCBT",
                      "XNYM",
                      "XCBO",
                      "XCOI",
                      "XBIN"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "mic"
                ],
                "type": "object"
              },
              "type": {
                "const": "http"
              }
            },
            "required": [
              "type",
              "method",
              "queryParams"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "example": {
                "properties": {
                  "coverage": {
                    "description": "JSON-encoded string inside the signed bytes; JSON.parse it after verifying the signature. Added to the signed payload by commit 19ccb28 (2026-09-07); the example below predates it.",
                    "type": "string"
                  },
                  "expires_at": {
                    "description": "issued_at + 60s. Signed into the canonical payload - consumers must reject expired receipts.",
                    "format": "date-time",
                    "type": "string"
                  },
                  "halt_detection": {
                    "enum": [
                      "active",
                      "schedule_only"
                    ]
                  },
                  "issued_at": {
                    "format": "date-time",
                    "type": "string"
                  },
                  "issuer": {
                    "const": "headlessoracle.com"
                  },
                  "mic": {
                    "description": "ISO 10383 Market Identifier Code",
                    "type": "string"
                  },
                  "public_key_id": {
                    "description": "Active key ID published at /v5/keys",
                    "type": "string"
                  },
                  "receipt_id": {
                    "format": "uuid",
                    "type": "string"
                  },
                  "receipt_mode": {
                    "enum": [
                      "demo",
                      "live"
                    ]
                  },
                  "schema_version": {
                    "const": "v5.0"
                  },
                  "signature": {
                    "description": "Ed25519 signature over canonical (alphabetical, no-whitespace) JSON of the payload, hex-encoded.",
                    "pattern": "^[0-9a-f]{128}$",
                    "type": "string"
                  },
                  "source": {
                    "enum": [
                      "SCHEDULE",
                      "OVERRIDE",
                      "SYSTEM",
                      "REALTIME"
                    ]
                  },
                  "status": {
                    "description": "UNKNOWN must be treated as CLOSED (fail-closed contract).",
                    "enum": [
                      "OPEN",
                      "CLOSED",
                      "HALTED",
                      "UNKNOWN"
                    ]
                  }
                },
                "required": [
                  "receipt_id",
                  "issued_at",
                  "expires_at",
                  "issuer",
                  "mic",
                  "status",
                  "source",
                  "halt_detection",
                  "receipt_mode",
                  "schema_version",
                  "public_key_id",
                  "signature"
                ],
                "type": "object"
              },
              "format": {
                "const": "application/json"
              },
              "type": {
                "const": "json"
              }
            },
            "required": [
              "type",
              "example"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "headlessoracle.com",
  "lastUpdated": "2026-10-13T13:41:36.06Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-13T13:41:35.44Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "category": "financial-data",
          "description": "Ed25519-signed market-state receipt for one of 28 global exchanges. Pre-trade verification gate for autonomous financial agents. UNKNOWN = CLOSED (fail-closed). 60-second TTL. Holiday-aware, DST-correct, real-time halt detection for XNAS and XNYS only; schedule-based for the other 26.",
          "documentationUrl": "https://headlessoracle.com/docs",
          "exampleNote": "output.example is a real receipt captured 2026-06-05T16:03:15Z. Its Ed25519 signature verifies against key_2026_v1 published at /v5/keys (now expired by TTL - schema-illustrative).",
          "family": "market-state",
          "input": {
            "method": "GET",
            "queryParams": {
              "mic": "XNYS"
            },
            "type": "http"
          },
          "metadataUrl": "https://headlessoracle.com/.well-known/mcp/server-card.json",
          "output": {
            "example": {
              "expires_at": "2026-06-05T16:04:15.257Z",
              "halt_detection": "active",
              "issued_at": "2026-06-05T16:03:15.257Z",
              "issuer": "headlessoracle.com",
              "mic": "XNYS",
              "public_key_id": "key_2026_v1",
              "receipt_id": "eb2a23e4-c3cc-49dc-aa1e-e443eb89045e",
              "receipt_mode": "live",
              "schema_version": "v5.0",
              "signature": "ab5413710ca2c4b71a5241efe3be386b6e2d3e1746deb1686e42c2f718cdb76e6e4e5a077817c972e8c1c04a301da5465b147b533fc1e4505523f81d35b98901",
              "source": "SCHEDULE",
              "status": "OPEN"
            },
            "format": "application/json",
            "type": "json"
          },
          "pricingUrl": "https://headlessoracle.com/v5/pricing",
          "tags": [
            "market-state",
            "exchange-status",
            "pre-trade",
            "attestation",
            "Ed25519",
            "trading-hours",
            "holiday-calendar",
            "fail-closed",
            "28-exchanges",
            "signed-receipt",
            "MIC",
            "ISO-10383"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ]
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "mic": {
                      "description": "ISO 10383 Market Identifier Code",
                      "enum": [
                        "XNYS",
                        "XNAS",
                        "XLON",
                        "XJPX",
                        "XPAR",
                        "XHKG",
                        "XSES",
                        "XASX",
                        "XBOM",
                        "XNSE",
                        "XSHG",
                        "XSHE",
                        "XKRX",
                        "XJSE",
                        "XBSP",
                        "XSWX",
                        "XMIL",
                        "XIST",
                        "XSAU",
                        "XDFM",
                        "XNZE",
                        "XHEL",
                        "XSTO",
                        "XCBT",
                        "XNYM",
                        "XCBO",
                        "XCOI",
                        "XBIN"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "mic"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method",
                "queryParams"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "coverage": {
                      "description": "JSON-encoded string inside the signed bytes; JSON.parse it after verifying the signature. Added to the signed payload by commit 19ccb28 (2026-09-07); the example below predates it.",
                      "type": "string"
                    },
                    "expires_at": {
                      "description": "issued_at + 60s. Signed into the canonical payload - consumers must reject expired receipts.",
                      "format": "date-time",
                      "type": "string"
                    },
                    "halt_detection": {
                      "enum": [
                        "active",
                        "schedule_only"
                      ]
                    },
                    "issued_at": {
                      "format": "date-time",
                      "type": "string"
                    },
                    "issuer": {
                      "const": "headlessoracle.com"
                    },
                    "mic": {
                      "description": "ISO 10383 Market Identifier Code",
                      "type": "string"
                    },
                    "public_key_id": {
                      "description": "Active key ID published at /v5/keys",
                      "type": "string"
                    },
                    "receipt_id": {
                      "format": "uuid",
                      "type": "string"
                    },
                    "receipt_mode": {
                      "enum": [
                        "demo",
                        "live"
                      ]
                    },
                    "schema_version": {
                      "const": "v5.0"
                    },
                    "signature": {
                      "description": "Ed25519 signature over canonical (alphabetical, no-whitespace) JSON of the payload, hex-encoded.",
                      "pattern": "^[0-9a-f]{128}$",
                      "type": "string"
                    },
                    "source": {
                      "enum": [
                        "SCHEDULE",
                        "OVERRIDE",
                        "SYSTEM",
                        "REALTIME"
                      ]
                    },
                    "status": {
                      "description": "UNKNOWN must be treated as CLOSED (fail-closed contract).",
                      "enum": [
                        "OPEN",
                        "CLOSED",
                        "HALTED",
                        "UNKNOWN"
                      ]
                    }
                  },
                  "required": [
                    "receipt_id",
                    "issued_at",
                    "expires_at",
                    "issuer",
                    "mic",
                    "status",
                    "source",
                    "halt_detection",
                    "receipt_mode",
                    "schema_version",
                    "public_key_id",
                    "signature"
                  ],
                  "type": "object"
                },
                "format": {
                  "const": "application/json"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "headlessoracle.com",
    "manifest_name": "headlessoracle.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": {
      "coverage": "string",
      "expires_at": "2026-01-01T00:00:00Z",
      "halt_detection": "active",
      "issued_at": "2026-01-01T00:00:00Z",
      "issuer": null,
      "mic": "string",
      "public_key_id": "string",
      "receipt_id": "string",
      "receipt_mode": "demo",
      "schema_version": null,
      "signature": "string",
      "source": "SCHEDULE",
      "status": "OPEN"
    },
    "format": null,
    "type": null
  }
}