{
  "x402Version": 2,
  "id": 38102,
  "slug": "38102",
  "resource": "https://presign-guard.onrender.com/v1/check/explain",
  "description": "Pre-sign risk verdict plus a plain-language explanation in Dutch or English",
  "type": "http",
  "serviceName": "presign-guard",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x6B0F4651eD42893ab58139938175E4a69f175F25",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "30000",
      "amountUsd": 0.03,
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "properties": {
          "explanation": {
            "properties": {
              "lang": {
                "type": "string"
              },
              "text": {
                "type": "string"
              }
            },
            "type": "object"
          },
          "reasons": {
            "items": {
              "properties": {
                "code": {
                  "type": "string"
                },
                "details": {},
                "severity": {
                  "enum": [
                    "red",
                    "orange",
                    "info"
                  ],
                  "type": "string"
                },
                "subject": {
                  "type": "string"
                }
              },
              "required": [
                "code",
                "severity"
              ],
              "type": "object"
            },
            "type": "array"
          },
          "subject": {
            "type": "object"
          },
          "verdict": {
            "enum": [
              "green",
              "orange",
              "red"
            ],
            "type": "string"
          }
        },
        "required": [
          "verdict",
          "reasons"
        ],
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "amount": "1000000",
            "chainId": 8453,
            "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
            "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "type": "approval"
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "reasons": [
              {
                "code": "UNLIMITED_APPROVAL",
                "details": {
                  "token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
                },
                "severity": "orange",
                "subject": "0x000000000022d473030f116ddee9f6b43ac78ba3"
              }
            ],
            "verdict": "orange"
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "amount": {
                    "description": "approval: amount in base units (0 = revoke)",
                    "type": "string"
                  },
                  "chainId": {
                    "enum": [
                      1,
                      10,
                      56,
                      137,
                      8453,
                      42161
                    ],
                    "type": "integer"
                  },
                  "data": {
                    "description": "transaction: 0x-prefixed calldata",
                    "type": "string"
                  },
                  "lang": {
                    "description": "explain only: language of the explanation (default en)",
                    "enum": [
                      "en",
                      "nl"
                    ],
                    "type": "string"
                  },
                  "origin": {
                    "description": "optional: the site asking for the signature or transaction (URL or hostname); a domain under 30 days old is orange",
                    "type": "string"
                  },
                  "spender": {
                    "description": "approval: who gets the allowance",
                    "type": "string"
                  },
                  "to": {
                    "description": "transaction: target contract",
                    "type": "string"
                  },
                  "token": {
                    "description": "approval: token contract",
                    "type": "string"
                  },
                  "type": {
                    "description": "What the agent is about to sign",
                    "enum": [
                      "approval",
                      "transaction",
                      "signature"
                    ],
                    "type": "string"
                  },
                  "typedData": {
                    "description": "signature: the eth_signTypedData_v4 payload (Permit, Permit2, EIP-3009 x402 payment, Seaport)",
                    "type": [
                      "object",
                      "string"
                    ]
                  },
                  "value": {
                    "description": "transaction: native value in wei",
                    "type": "string"
                  }
                },
                "required": [
                  "type",
                  "chainId"
                ],
                "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": {
                  "explanation": {
                    "properties": {
                      "lang": {
                        "type": "string"
                      },
                      "text": {
                        "type": "string"
                      }
                    },
                    "type": "object"
                  },
                  "reasons": {
                    "items": {
                      "properties": {
                        "code": {
                          "type": "string"
                        },
                        "details": {},
                        "severity": {
                          "enum": [
                            "red",
                            "orange",
                            "info"
                          ],
                          "type": "string"
                        },
                        "subject": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "code",
                        "severity"
                      ],
                      "type": "object"
                    },
                    "type": "array"
                  },
                  "subject": {
                    "type": "object"
                  },
                  "verdict": {
                    "enum": [
                      "green",
                      "orange",
                      "red"
                    ],
                    "type": "string"
                  }
                },
                "required": [
                  "verdict",
                  "reasons"
                ],
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "wallet-security",
    "pre-sign",
    "approvals",
    "agents",
    "bazaar"
  ],
  "sourceHost": "presign-guard.onrender.com",
  "lastUpdated": "2026-09-26T18:10:51.659Z",
  "quality": {
    "calls30d": 1,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-09-26T18:10:51.452Z"
  },
  "metadata": {
    "serviceName": "presign-guard",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "amount": "1000000",
              "chainId": 8453,
              "spender": "0x000000000022D473030F116dDEE9F6B43aC78BA3",
              "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
              "type": "approval"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "reasons": [
                {
                  "code": "UNLIMITED_APPROVAL",
                  "details": {
                    "token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
                  },
                  "severity": "orange",
                  "subject": "0x000000000022d473030f116ddee9f6b43ac78ba3"
                }
              ],
              "verdict": "orange"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "amount": {
                      "description": "approval: amount in base units (0 = revoke)",
                      "type": "string"
                    },
                    "chainId": {
                      "enum": [
                        1,
                        10,
                        56,
                        137,
                        8453,
                        42161
                      ],
                      "type": "integer"
                    },
                    "data": {
                      "description": "transaction: 0x-prefixed calldata",
                      "type": "string"
                    },
                    "lang": {
                      "description": "explain only: language of the explanation (default en)",
                      "enum": [
                        "en",
                        "nl"
                      ],
                      "type": "string"
                    },
                    "origin": {
                      "description": "optional: the site asking for the signature or transaction (URL or hostname); a domain under 30 days old is orange",
                      "type": "string"
                    },
                    "spender": {
                      "description": "approval: who gets the allowance",
                      "type": "string"
                    },
                    "to": {
                      "description": "transaction: target contract",
                      "type": "string"
                    },
                    "token": {
                      "description": "approval: token contract",
                      "type": "string"
                    },
                    "type": {
                      "description": "What the agent is about to sign",
                      "enum": [
                        "approval",
                        "transaction",
                        "signature"
                      ],
                      "type": "string"
                    },
                    "typedData": {
                      "description": "signature: the eth_signTypedData_v4 payload (Permit, Permit2, EIP-3009 x402 payment, Seaport)",
                      "type": [
                        "object",
                        "string"
                      ]
                    },
                    "value": {
                      "description": "transaction: native value in wei",
                      "type": "string"
                    }
                  },
                  "required": [
                    "type",
                    "chainId"
                  ],
                  "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": {
                    "explanation": {
                      "properties": {
                        "lang": {
                          "type": "string"
                        },
                        "text": {
                          "type": "string"
                        }
                      },
                      "type": "object"
                    },
                    "reasons": {
                      "items": {
                        "properties": {
                          "code": {
                            "type": "string"
                          },
                          "details": {},
                          "severity": {
                            "enum": [
                              "red",
                              "orange",
                              "info"
                            ],
                            "type": "string"
                          },
                          "subject": {
                            "type": "string"
                          }
                        },
                        "required": [
                          "code",
                          "severity"
                        ],
                        "type": "object"
                      },
                      "type": "array"
                    },
                    "subject": {
                      "type": "object"
                    },
                    "verdict": {
                      "enum": [
                        "green",
                        "orange",
                        "red"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "verdict",
                    "reasons"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "presign-guard.onrender.com",
    "manifest_name": "presign-guard.onrender.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": {
      "explanation": {
        "lang": "string",
        "text": "string"
      },
      "reasons": [
        {
          "code": "string",
          "details": null,
          "severity": "red",
          "subject": "string"
        }
      ],
      "subject": {},
      "verdict": "green"
    },
    "type": "string"
  }
}