{
  "x402Version": 2,
  "id": 53084,
  "slug": "53084",
  "resource": "https://www.securaw.com/cryptovar/x402/risk_verify",
  "description": "Verify a CryptoVar Black-Scholes VaR artifact by replaying its parameters, result and audit proof. 0.10 USDC. Returns valid true/false and the expected SHA-256 proof. An invalid artifact is a completed verification, not a service failure. CryptoVar artifacts only; no certification of model assumptions or future losses. Automatic delivery, 30-minute SLA. Idempotency-Key required.",
  "type": "http",
  "resourceType": "Utilities",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x2cf1aad0f7352b9f5f3c1b79f78810a834ada470",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "100000",
      "amountUsd": 0.1,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "result": {
            "type": "object"
          },
          "service": {
            "const": "risk_verify"
          }
        },
        "required": [
          "service",
          "result"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "parameters": {
              "audit": {
                "engine": "black_scholes",
                "engine_params": {},
                "expected_shortfall": {
                  "0.99": 8064.971024063419
                },
                "loss_quantiles": {
                  "0.99": 7087.614491273314
                },
                "loss_variable": "L=-PnL",
                "mean": -25.51015015937265,
                "quantiles": {
                  "0.01": -7452.703592879662,
                  "0.05": -5243.516648728367,
                  "0.50": -16.38879064419598,
                  "0.95": 5031.827352997384,
                  "0.99": 7087.614491273314
                },
                "seed": 123,
                "std": 3129.324991860125,
                "var_side": "left"
              },
              "audit_proof": "0000000000000000000000000000000000000000000000000000000000000000",
              "parameters": {
                "N": 10000,
                "S0": 100000,
                "T": 0.0027397260273972603,
                "alpha": 0.99,
                "engine": "black_scholes",
                "mu": 0,
                "seed": 123,
                "sigma": 0.6
              },
              "var": 7087.614491273314
            },
            "service": "risk_verify"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "result": {
              "expected_proof": "1a1ae1433cc731ae6c5937d32f60552534e028f535072b58cf94eaa75f33d06e",
              "valid": false
            },
            "service": "risk_verify"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "description": "JSON request envelope. Numeric inputs must be JSON numbers. Unknown fields are rejected. Idempotency-Key header required for paid requests.",
                "properties": {
                  "parameters": {
                    "additionalProperties": false,
                    "properties": {
                      "audit": {
                        "description": "Copy the complete original result.audit or scenario.audit without editing. At most 8000 serialized bytes. Do not include proof_receipt.",
                        "title": "Audit",
                        "type": "object"
                      },
                      "audit_proof": {
                        "description": "Copy original audit_proof exactly: 64 lowercase hexadecimal characters. A validly formed but incorrect proof returns valid:false; the verification service is still fulfilled.",
                        "pattern": "^[0-9a-f]{64}$",
                        "title": "Audit Proof",
                        "type": "string"
                      },
                      "parameters": {
                        "additionalProperties": false,
                        "description": "Copy inputs from a risk_snapshot delivery, or parameters from a risk_compare scenario, without changing their numeric values.",
                        "properties": {
                          "N": {
                            "default": 10000,
                            "description": "Monte Carlo path count, 1000 to 20000; default 10000.",
                            "maximum": 20000,
                            "minimum": 1000,
                            "title": "N",
                            "type": "integer"
                          },
                          "S0": {
                            "description": "Single exposure value; VaR uses the same currency/value units. Not a list of holdings.",
                            "exclusiveMinimum": 0,
                            "maximum": 1000000000000,
                            "title": "S0",
                            "type": "number"
                          },
                          "T": {
                            "description": "Horizon in years: one day = 1/365; seven days = 7/365.",
                            "exclusiveMinimum": 0,
                            "maximum": 10,
                            "title": "T",
                            "type": "number"
                          },
                          "alpha": {
                            "default": 0.99,
                            "description": "Confidence level as a decimal: 0.99 means 99%.",
                            "maximum": 0.999,
                            "minimum": 0.9,
                            "title": "Alpha",
                            "type": "number"
                          },
                          "engine": {
                            "default": "black_scholes",
                            "description": "Supported model: black_scholes for a single exposure.",
                            "enum": [
                              "black_scholes"
                            ],
                            "title": "Engine",
                            "type": "string"
                          },
                          "mu": {
                            "default": 0,
                            "description": "Annualized drift as a decimal; defaults to zero.",
                            "maximum": 5,
                            "minimum": -5,
                            "title": "Mu",
                            "type": "number"
                          },
                          "seed": {
                            "description": "Integer random seed. Reuse inputs and seed to reproduce the calculation.",
                            "maximum": 2147483647,
                            "minimum": 0,
                            "title": "Seed",
                            "type": "integer"
                          },
                          "sigma": {
                            "description": "Annualized volatility as a decimal: 0.6 means 60% per year.",
                            "maximum": 5,
                            "minimum": 0,
                            "title": "Sigma",
                            "type": "number"
                          }
                        },
                        "required": [
                          "S0",
                          "sigma",
                          "T",
                          "seed"
                        ],
                        "title": "RiskInput",
                        "type": "object"
                      },
                      "var": {
                        "description": "Copy result.var from risk_snapshot, or scenario.var from risk_compare. Same value units as parameters.S0.",
                        "title": "Var",
                        "type": "number"
                      }
                    },
                    "required": [
                      "parameters",
                      "var",
                      "audit",
                      "audit_proof"
                    ],
                    "title": "VerifyInput",
                    "type": "object"
                  },
                  "service": {
                    "enum": [
                      "risk_verify"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "service",
                  "parameters"
                ],
                "type": "object"
              },
              "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": {
                "properties": {
                  "result": {
                    "type": "object"
                  },
                  "service": {
                    "const": "risk_verify"
                  }
                },
                "required": [
                  "service",
                  "result"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "www.securaw.com",
  "lastUpdated": "2026-09-27T22:31:10.391Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-27T22:31:09.992Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "parameters": {
                "audit": {
                  "engine": "black_scholes",
                  "engine_params": {},
                  "expected_shortfall": {
                    "0.99": 8064.971024063419
                  },
                  "loss_quantiles": {
                    "0.99": 7087.614491273314
                  },
                  "loss_variable": "L=-PnL",
                  "mean": -25.51015015937265,
                  "quantiles": {
                    "0.01": -7452.703592879662,
                    "0.05": -5243.516648728367,
                    "0.50": -16.38879064419598,
                    "0.95": 5031.827352997384,
                    "0.99": 7087.614491273314
                  },
                  "seed": 123,
                  "std": 3129.324991860125,
                  "var_side": "left"
                },
                "audit_proof": "0000000000000000000000000000000000000000000000000000000000000000",
                "parameters": {
                  "N": 10000,
                  "S0": 100000,
                  "T": 0.0027397260273972603,
                  "alpha": 0.99,
                  "engine": "black_scholes",
                  "mu": 0,
                  "seed": 123,
                  "sigma": 0.6
                },
                "var": 7087.614491273314
              },
              "service": "risk_verify"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "result": {
                "expected_proof": "1a1ae1433cc731ae6c5937d32f60552534e028f535072b58cf94eaa75f33d06e",
                "valid": false
              },
              "service": "risk_verify"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "description": "JSON request envelope. Numeric inputs must be JSON numbers. Unknown fields are rejected. Idempotency-Key header required for paid requests.",
                  "properties": {
                    "parameters": {
                      "additionalProperties": false,
                      "properties": {
                        "audit": {
                          "description": "Copy the complete original result.audit or scenario.audit without editing. At most 8000 serialized bytes. Do not include proof_receipt.",
                          "title": "Audit",
                          "type": "object"
                        },
                        "audit_proof": {
                          "description": "Copy original audit_proof exactly: 64 lowercase hexadecimal characters. A validly formed but incorrect proof returns valid:false; the verification service is still fulfilled.",
                          "pattern": "^[0-9a-f]{64}$",
                          "title": "Audit Proof",
                          "type": "string"
                        },
                        "parameters": {
                          "additionalProperties": false,
                          "description": "Copy inputs from a risk_snapshot delivery, or parameters from a risk_compare scenario, without changing their numeric values.",
                          "properties": {
                            "N": {
                              "default": 10000,
                              "description": "Monte Carlo path count, 1000 to 20000; default 10000.",
                              "maximum": 20000,
                              "minimum": 1000,
                              "title": "N",
                              "type": "integer"
                            },
                            "S0": {
                              "description": "Single exposure value; VaR uses the same currency/value units. Not a list of holdings.",
                              "exclusiveMinimum": 0,
                              "maximum": 1000000000000,
                              "title": "S0",
                              "type": "number"
                            },
                            "T": {
                              "description": "Horizon in years: one day = 1/365; seven days = 7/365.",
                              "exclusiveMinimum": 0,
                              "maximum": 10,
                              "title": "T",
                              "type": "number"
                            },
                            "alpha": {
                              "default": 0.99,
                              "description": "Confidence level as a decimal: 0.99 means 99%.",
                              "maximum": 0.999,
                              "minimum": 0.9,
                              "title": "Alpha",
                              "type": "number"
                            },
                            "engine": {
                              "default": "black_scholes",
                              "description": "Supported model: black_scholes for a single exposure.",
                              "enum": [
                                "black_scholes"
                              ],
                              "title": "Engine",
                              "type": "string"
                            },
                            "mu": {
                              "default": 0,
                              "description": "Annualized drift as a decimal; defaults to zero.",
                              "maximum": 5,
                              "minimum": -5,
                              "title": "Mu",
                              "type": "number"
                            },
                            "seed": {
                              "description": "Integer random seed. Reuse inputs and seed to reproduce the calculation.",
                              "maximum": 2147483647,
                              "minimum": 0,
                              "title": "Seed",
                              "type": "integer"
                            },
                            "sigma": {
                              "description": "Annualized volatility as a decimal: 0.6 means 60% per year.",
                              "maximum": 5,
                              "minimum": 0,
                              "title": "Sigma",
                              "type": "number"
                            }
                          },
                          "required": [
                            "S0",
                            "sigma",
                            "T",
                            "seed"
                          ],
                          "title": "RiskInput",
                          "type": "object"
                        },
                        "var": {
                          "description": "Copy result.var from risk_snapshot, or scenario.var from risk_compare. Same value units as parameters.S0.",
                          "title": "Var",
                          "type": "number"
                        }
                      },
                      "required": [
                        "parameters",
                        "var",
                        "audit",
                        "audit_proof"
                      ],
                      "title": "VerifyInput",
                      "type": "object"
                    },
                    "service": {
                      "enum": [
                        "risk_verify"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "service",
                    "parameters"
                  ],
                  "type": "object"
                },
                "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": {
                  "properties": {
                    "result": {
                      "type": "object"
                    },
                    "service": {
                      "const": "risk_verify"
                    }
                  },
                  "required": [
                    "service",
                    "result"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "www.securaw.com",
    "manifest_name": "www.securaw.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-13T15:56:53.641Z"
  },
  "exampleResponse": {
    "example": {
      "result": {},
      "service": null
    },
    "type": "string"
  }
}