{
  "x402Version": 2,
  "id": 52786,
  "slug": "52786",
  "resource": "https://api.ibancheck.co.uk/api/sign-transaction",
  "description": "RFC 8785 key-sorted JSON canonicalization + SHA-256 hash + Merkle leaf + HMAC-SHA256 audit signature",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x70F3FBde8f5d4D861a5Aa8427EC5c28DDA9fE7c7",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "4000",
      "amountUsd": 0.004,
      "maxTimeoutSeconds": 120
    }
  ],
  "outputSchema": {
    "properties": {
      "example": {
        "type": "object"
      },
      "type": {
        "type": "string"
      }
    },
    "required": [
      "type"
    ],
    "type": "object"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "payload": {
              "amount": 150,
              "orderId": "A-1001"
            }
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        },
        "output": {
          "example": {
            "algorithm": "SHA-256 + HMAC-SHA256 peste canonizare cu chei sortate (RFC 8785, invarianta de ordonare)",
            "canonicalPayload": "{\"amount\":150,\"orderId\":\"A-1001\"}",
            "hmacSignature": "185bb2d87510b0fc0672ff75bef3c0226496050a27e71f3a7a5042e11cf1c7bf",
            "merkleLeaf": "fabe21766a6cd66686e58bb4c4996cc9c322017a4c7b87898500ec860d618407",
            "proofToken": "NzAyNDc5NDVjZWVhY2QxYi4xODViYjJkODc1MTBiMGZjLjE3OTEzMDE5MjIyMDU=",
            "sha256": "70247945ceeacd1bc929d1612cfcc36b0c0c4803e1350505c875b28a036015ca",
            "success": true,
            "timestamp": "2026-10-06T15:52:02.205Z",
            "timestampMs": 1791301922205
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "properties": {
                  "payload": {
                    "type": "object"
                  }
                },
                "required": [
                  "payload"
                ]
              },
              "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": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar"
  ],
  "sourceHost": "api.ibancheck.co.uk",
  "lastUpdated": "2026-10-06T16:22:02.213Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 1,
    "lastCalledAt": "2026-10-06T16:22:01.893Z"
  },
  "metadata": {
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "payload": {
                "amount": 150,
                "orderId": "A-1001"
              }
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "algorithm": "SHA-256 + HMAC-SHA256 peste canonizare cu chei sortate (RFC 8785, invarianta de ordonare)",
              "canonicalPayload": "{\"amount\":150,\"orderId\":\"A-1001\"}",
              "hmacSignature": "185bb2d87510b0fc0672ff75bef3c0226496050a27e71f3a7a5042e11cf1c7bf",
              "merkleLeaf": "fabe21766a6cd66686e58bb4c4996cc9c322017a4c7b87898500ec860d618407",
              "proofToken": "NzAyNDc5NDVjZWVhY2QxYi4xODViYjJkODc1MTBiMGZjLjE3OTEzMDE5MjIyMDU=",
              "sha256": "70247945ceeacd1bc929d1612cfcc36b0c0c4803e1350505c875b28a036015ca",
              "success": true,
              "timestamp": "2026-10-06T15:52:02.205Z",
              "timestampMs": 1791301922205
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "payload": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "payload"
                  ]
                },
                "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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "api.ibancheck.co.uk",
    "manifest_name": "api.ibancheck.co.uk",
    "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": {},
    "type": "string"
  }
}