# Get conversion

Returns one confirmed conversion, including its status, sell and buy accounts, amounts, locked rate, and fee.
An unconfirmed `PENDING` conversion is available only in the create response.

Product: Account API
API reference version: 0.1.0 (current)
OpenAPI contract: https://docs.sandbox.axiym.io/openapi/account-api/0.1.0.yaml
Canonical page: https://docs.sandbox.axiym.io/account-api/api-reference/0.1.0/conversions/getConversion

[Compact reference](/account-api/api-reference/0.1.0/conversions/getConversion.md)

## GET /conversions/{conversionId}

## Servers

```json
[
  {
    "url": "https://partner-api.sandbox.axiym.io/api/v1",
    "description": "Sandbox"
  },
  {
    "url": "https://partner-api.axiym.io/api/v1",
    "description": "Production"
  }
]
```

## Authentication

```json
{
  "security": [
    {
      "Default": []
    }
  ],
  "securitySchemes": {
    "Default": {
      "type": "http",
      "scheme": "bearer",
      "bearerFormat": "JWT"
    }
  }
}
```

## Parameters

### path: conversionId

```json
{
  "name": "conversionId",
  "in": "path",
  "required": true,
  "schema": {
    "type": "string",
    "format": "uuid",
    "examples": [
      "a3f5d7c9-1e2b-4c6a-8d9f-0b1a2c3d4e5f"
    ]
  },
  "description": "Conversion identifier (UUID)."
}
```

### header: X-Request-Id

```json
{
  "name": "X-Request-Id",
  "in": "header",
  "required": false,
  "description": "Optional identifier for tracing a request end to end. A UUID is recommended. Axiym returns it in the `X-Request-Id` response header and records it in logs. If omitted, Axiym generates one. Include it when contacting support.\n",
  "schema": {
    "type": "string",
    "format": "uuid",
    "examples": [
      "3fa85f64-5717-4562-b3fc-2c963f66afa6"
    ]
  }
}
```

## Responses

### 200

```json
{
  "description": "Conversion.",
  "content": {
    "application/json": {
      "schema": {
        "$ref": "#/components/schemas/Conversion"
      },
      "examples": {
        "USD to USDT": {
          "summary": "USD → USDT, completed",
          "value": {
            "conversionId": "a3f5d7c9-1e2b-4c6a-8d9f-0b1a2c3d4e5f",
            "pairId": "7c9e1a3b-5d2f-4e8a-9b0c-6d4f2a8e1c3b",
            "status": "COMPLETED",
            "sellAccount": {
              "accountId": "5c0a9d3e-1f2b-4a6c-8e7d-9b3f5a1c2d4e",
              "currency": "USD",
              "paymentRails": "ZENUS_BANK"
            },
            "sellAmount": {
              "amount": "10000.00",
              "currency": "USD"
            },
            "buyAccount": {
              "accountId": "8f1d4a2c-3b5e-4c7a-9d1f-2a6b8c0e4d3a",
              "currency": "USDT",
              "paymentRails": "TRON"
            },
            "buyAmount": {
              "amount": "9985.00",
              "currency": "USDT"
            },
            "rate": "1.00",
            "fee": {
              "amount": "15.00",
              "currency": "USD"
            },
            "externalReference": "conv-2026-0714-01",
            "createdAt": "2026-07-14T14:00:11Z",
            "completedAt": "2026-07-14T14:05:39Z"
          }
        },
        "USDT to USD": {
          "summary": "USDT → USD, completed",
          "value": {
            "conversionId": "b8e6c2a4-5d1f-4e9b-a7c3-6f2d8b0a4e1c",
            "pairId": "2b8d0c4e-6f1a-4d3c-8e5b-9a7c3f0d2e4a",
            "status": "COMPLETED",
            "sellAccount": {
              "accountId": "8f1d4a2c-3b5e-4c7a-9d1f-2a6b8c0e4d3a",
              "currency": "USDT",
              "paymentRails": "TRON"
            },
            "sellAmount": {
              "amount": "5000.00",
              "currency": "USDT"
            },
            "buyAccount": {
              "accountId": "5c0a9d3e-1f2b-4a6c-8e7d-9b3f5a1c2d4e",
              "currency": "USD",
              "paymentRails": "ZENUS_BANK"
            },
            "buyAmount": {
              "amount": "4992.50",
              "currency": "USD"
            },
            "rate": "1.00",
            "fee": {
              "amount": "7.50",
              "currency": "USD"
            },
            "externalReference": "conv-2026-0714-02",
            "createdAt": "2026-07-14T14:05:44Z",
            "completedAt": "2026-07-14T14:11:02Z"
          }
        }
      }
    }
  }
}
```

### 400

```json
{
  "description": "The request is malformed or cannot be processed as supplied.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "properties": {
              "message": {
                "type": "string"
              }
            },
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Malformed JSON body": {
          "summary": "Malformed JSON body",
          "value": {
            "code": 400,
            "message": "Bad Request",
            "errors": {
              "message": "Failed to parse the request body as JSON: expected value at line 1 column 5"
            }
          }
        },
        "Generic": {
          "summary": "Generic",
          "value": {
            "code": 400,
            "message": "Invalid cursor",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### 401

```json
{
  "description": "Authentication is missing or invalid.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Example 1": {
          "summary": "Example 1",
          "value": {
            "code": 401,
            "message": "Unauthorized",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### 403

```json
{
  "description": "Your access token does not permit this operation or access to the requested resource.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Example 1": {
          "summary": "Example 1",
          "value": {
            "code": 403,
            "message": "Forbidden",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### 404

```json
{
  "description": "The requested resource was not found.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message: either the generic 'Not Found' or a domain-specific one such as 'Account Not Found'."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Generic": {
          "summary": "Generic",
          "value": {
            "code": 404,
            "message": "Not Found",
            "errors": null
          }
        },
        "Account not found": {
          "summary": "Account not found",
          "value": {
            "code": 404,
            "message": "Account Not Found",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### 422

```json
{
  "description": "The request failed validation or a business rule. Validation failures return `errors` keyed by request field. Business rejections return `errors: null` and explain the reason in `message`.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "`Invalid Parameters` for validation failures; the rejection reason otherwise."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "For validation failures, keys follow the request fields and values contain field errors or nested errors. Business rejections return `null`.",
            "additionalProperties": {
              "$ref": "#/components/schemas/ValidationFieldErrors"
            }
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Flat field errors": {
          "summary": "Flat field errors",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "legalEntityName": [
                {
                  "code": "length",
                  "message": null,
                  "params": {
                    "value": "",
                    "min": 1
                  }
                }
              ],
              "currency": [
                {
                  "code": "invalid_currency",
                  "message": null,
                  "params": {
                    "value": "ZZZ"
                  }
                }
              ]
            }
          }
        },
        "Nested struct errors": {
          "summary": "Nested struct errors",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "legalAddress": {
                "country": [
                  {
                    "code": "invalid_country",
                    "message": null,
                    "params": {
                      "value": "INVALID"
                    }
                  }
                ],
                "postalCode": [
                  {
                    "code": "length",
                    "message": null,
                    "params": {
                      "value": "",
                      "min": 1
                    }
                  }
                ]
              }
            }
          }
        },
        "List item errors": {
          "summary": "List item errors",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "authorizedDirectors": {
                "0": {
                  "firstName": [
                    {
                      "code": "length",
                      "message": null,
                      "params": {
                        "value": "",
                        "min": 1
                      }
                    }
                  ],
                  "email": [
                    {
                      "code": "email",
                      "message": null,
                      "params": {
                        "value": "not-an-email"
                      }
                    }
                  ]
                }
              }
            }
          }
        },
        "Custom validator": {
          "summary": "Custom validator",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "disbursementAccount": [
                {
                  "code": "disbursement_account_required",
                  "message": null,
                  "params": {
                    "value": null
                  }
                }
              ]
            }
          }
        },
        "Business rejection": {
          "summary": "Business rejection",
          "value": {
            "code": 422,
            "message": "Documents Not Accepted",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### 500

```json
{
  "description": "An unexpected server error prevented the request from completing.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Example 1": {
          "summary": "Example 1",
          "value": {
            "code": 500,
            "message": "Internal Error",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

## Operation metadata

```json
{
  "tags": [
    "Conversions"
  ],
  "operationId": "getConversion"
}
```

## Referenced definitions

- [`#/components/parameters/ConversionId`](#definition-1)
- [`#/components/parameters/RequestId`](#definition-2)
- [`#/components/schemas/Conversion`](#definition-3)
- [`#/components/schemas/ConversionStatus`](#definition-4)
- [`#/components/schemas/AccountRef`](#definition-5)
- [`#/components/schemas/Currency`](#definition-6)
- [`#/components/schemas/PaymentRailsCode`](#definition-7)
- [`#/components/schemas/Money`](#definition-8)
- [`#/components/schemas/Decimal`](#definition-9)
- [`#/components/schemas/ExternalReference`](#definition-10)
- [`#/components/responses/BadRequest`](#definition-11)
- [`#/components/responses/Unauthorized`](#definition-12)
- [`#/components/responses/Forbidden`](#definition-13)
- [`#/components/responses/NotFound`](#definition-14)
- [`#/components/responses/InvalidParams`](#definition-15)
- [`#/components/schemas/ValidationFieldErrors`](#definition-16)
- [`#/components/schemas/ValidationError`](#definition-17)
- [`#/components/responses/InternalError`](#definition-18)

### definition-1

`#/components/parameters/ConversionId`

```json
{
  "name": "conversionId",
  "in": "path",
  "required": true,
  "schema": {
    "type": "string",
    "format": "uuid",
    "examples": [
      "a3f5d7c9-1e2b-4c6a-8d9f-0b1a2c3d4e5f"
    ]
  },
  "description": "Conversion identifier (UUID)."
}
```

### definition-2

`#/components/parameters/RequestId`

```json
{
  "name": "X-Request-Id",
  "in": "header",
  "required": false,
  "description": "Optional identifier for tracing a request end to end. A UUID is recommended. Axiym returns it in the `X-Request-Id` response header and records it in logs. If omitted, Axiym generates one. Include it when contacting support.\n",
  "schema": {
    "type": "string",
    "format": "uuid",
    "examples": [
      "3fa85f64-5717-4562-b3fc-2c963f66afa6"
    ]
  }
}
```

### definition-3

`#/components/schemas/Conversion`

```json
{
  "type": "object",
  "required": [
    "conversionId",
    "pairId",
    "status",
    "sellAccount",
    "sellAmount",
    "buyAccount",
    "buyAmount",
    "rate",
    "fee",
    "createdAt"
  ],
  "properties": {
    "conversionId": {
      "type": "string",
      "format": "uuid",
      "description": "Conversion identifier (UUID).",
      "examples": [
        "a3f5d7c9-1e2b-4c6a-8d9f-0b1a2c3d4e5f"
      ]
    },
    "pairId": {
      "type": "string",
      "format": "uuid",
      "description": "The conversion pair this conversion runs along.",
      "examples": [
        "7c9e1a3b-5d2f-4e8a-9b0c-6d4f2a8e1c3b"
      ]
    },
    "status": {
      "$ref": "#/components/schemas/ConversionStatus",
      "description": "Conversion status.",
      "examples": [
        "COMPLETED"
      ]
    },
    "reasonCode": {
      "type": "string",
      "description": "Present when `status` is `CANCELED` — the reason as reported by operations or the liquidity venue. Example: `RATE_EXPIRED`."
    },
    "sellAccount": {
      "allOf": [
        {
          "$ref": "#/components/schemas/AccountRef"
        }
      ],
      "description": "The sell-side account, embedded as a compact reference."
    },
    "sellAmount": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Money"
        }
      ],
      "description": "Amount to sell, in the sell currency. It represents the quoted amount before execution and the amount sold once `COMPLETED`."
    },
    "buyAccount": {
      "allOf": [
        {
          "$ref": "#/components/schemas/AccountRef"
        }
      ],
      "description": "The buy-side account, embedded as a compact reference."
    },
    "buyAmount": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Money"
        }
      ],
      "description": "Expected amount to credit to the buy-side account. It represents the amount credited once the conversion is `COMPLETED`."
    },
    "rate": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Decimal"
        }
      ],
      "description": "Units of buy currency received for one unit of sell currency.",
      "examples": [
        "1.00"
      ]
    },
    "fee": {
      "allOf": [
        {
          "$ref": "#/components/schemas/Money"
        }
      ],
      "description": "Conversion fee, in the ISO 4217 currency of the pair. The quote includes this fee before execution. It is deducted from the sell amount when buying digital currency and from the buy proceeds when selling it."
    },
    "externalReference": {
      "$ref": "#/components/schemas/ExternalReference",
      "description": "Your reference for correlation, echoed back on related objects.",
      "examples": [
        "conv-2026-0714-01"
      ]
    },
    "createdAt": {
      "type": "string",
      "format": "date-time",
      "description": "Creation timestamp. Formatted in ISO 8601.",
      "examples": [
        "2026-07-14T14:00:11Z"
      ]
    },
    "completedAt": {
      "type": "string",
      "format": "date-time",
      "description": "Completion timestamp. Formatted in ISO 8601.",
      "examples": [
        "2026-07-14T14:05:39Z"
      ]
    }
  }
}
```

### definition-4

`#/components/schemas/ConversionStatus`

```json
{
  "type": "string",
  "description": "`PENDING` awaits confirmation and appears only in the create response. `ACTIVE` is executing. `COMPLETED` means the funds were exchanged. `CANCELED` means the conversion stopped; see `reasonCode`.\n",
  "enum": [
    "PENDING",
    "ACTIVE",
    "COMPLETED",
    "CANCELED"
  ],
  "examples": [
    "PENDING"
  ]
}
```

### definition-5

`#/components/schemas/AccountRef`

```json
{
  "type": "object",
  "description": "Compact account reference. Fetch the account via `GET /accounts/{accountId}` for the current balance and status; deposit instructions serve its payment details.",
  "required": [
    "accountId",
    "currency",
    "paymentRails"
  ],
  "properties": {
    "accountId": {
      "type": "string",
      "format": "uuid",
      "description": "Account identifier (UUID).",
      "examples": [
        "5c0a9d3e-1f2b-4a6c-8e7d-9b3f5a1c2d4e"
      ]
    },
    "currency": {
      "$ref": "#/components/schemas/Currency",
      "description": "Account currency.",
      "examples": [
        "USD"
      ]
    },
    "paymentRails": {
      "$ref": "#/components/schemas/PaymentRailsCode",
      "description": "Rail the account settles on.",
      "examples": [
        "ZENUS_BANK"
      ]
    }
  }
}
```

### definition-6

`#/components/schemas/Currency`

```json
{
  "type": "string",
  "description": "Currency code — ISO 4217 (e.g. USD, EUR) or a supported digital currency (USDT, USDC).",
  "examples": [
    "USD"
  ]
}
```

### definition-7

`#/components/schemas/PaymentRailsCode`

```json
{
  "type": "string",
  "description": "Payment rail code the account settles on (e.g. `ZENUS_BANK`, `TRON`).",
  "examples": [
    "ZENUS_BANK"
  ]
}
```

### definition-8

`#/components/schemas/Money`

```json
{
  "type": "object",
  "description": "Monetary amount and its currency.",
  "additionalProperties": false,
  "required": [
    "amount",
    "currency"
  ],
  "properties": {
    "amount": {
      "$ref": "#/components/schemas/Decimal"
    },
    "currency": {
      "$ref": "#/components/schemas/Currency"
    }
  }
}
```

### definition-9

`#/components/schemas/Decimal`

```json
{
  "type": "string",
  "description": "Decimal number serialized as a string to preserve precision. Amounts sent to Axiym are positive and carry at most 8 decimal places.",
  "examples": [
    "1000.00"
  ]
}
```

### definition-10

`#/components/schemas/ExternalReference`

```json
{
  "type": "string",
  "maxLength": 255,
  "description": "Your optional identifier for correlating the resource with your system. Axiym returns it on reads. It does not make retries safe; use `Idempotency-Key` for that.\n",
  "examples": [
    "wd-2026-0714-01"
  ]
}
```

### definition-11

`#/components/responses/BadRequest`

```json
{
  "description": "The request is malformed or cannot be processed as supplied.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "properties": {
              "message": {
                "type": "string"
              }
            },
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Malformed JSON body": {
          "summary": "Malformed JSON body",
          "value": {
            "code": 400,
            "message": "Bad Request",
            "errors": {
              "message": "Failed to parse the request body as JSON: expected value at line 1 column 5"
            }
          }
        },
        "Generic": {
          "summary": "Generic",
          "value": {
            "code": 400,
            "message": "Invalid cursor",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### definition-12

`#/components/responses/Unauthorized`

```json
{
  "description": "Authentication is missing or invalid.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Example 1": {
          "summary": "Example 1",
          "value": {
            "code": 401,
            "message": "Unauthorized",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### definition-13

`#/components/responses/Forbidden`

```json
{
  "description": "Your access token does not permit this operation or access to the requested resource.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Example 1": {
          "summary": "Example 1",
          "value": {
            "code": 403,
            "message": "Forbidden",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### definition-14

`#/components/responses/NotFound`

```json
{
  "description": "The requested resource was not found.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message: either the generic 'Not Found' or a domain-specific one such as 'Account Not Found'."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Generic": {
          "summary": "Generic",
          "value": {
            "code": 404,
            "message": "Not Found",
            "errors": null
          }
        },
        "Account not found": {
          "summary": "Account not found",
          "value": {
            "code": 404,
            "message": "Account Not Found",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### definition-15

`#/components/responses/InvalidParams`

```json
{
  "description": "The request failed validation or a business rule. Validation failures return `errors` keyed by request field. Business rejections return `errors: null` and explain the reason in `message`.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "`Invalid Parameters` for validation failures; the rejection reason otherwise."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "For validation failures, keys follow the request fields and values contain field errors or nested errors. Business rejections return `null`.",
            "additionalProperties": {
              "$ref": "#/components/schemas/ValidationFieldErrors"
            }
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Flat field errors": {
          "summary": "Flat field errors",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "legalEntityName": [
                {
                  "code": "length",
                  "message": null,
                  "params": {
                    "value": "",
                    "min": 1
                  }
                }
              ],
              "currency": [
                {
                  "code": "invalid_currency",
                  "message": null,
                  "params": {
                    "value": "ZZZ"
                  }
                }
              ]
            }
          }
        },
        "Nested struct errors": {
          "summary": "Nested struct errors",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "legalAddress": {
                "country": [
                  {
                    "code": "invalid_country",
                    "message": null,
                    "params": {
                      "value": "INVALID"
                    }
                  }
                ],
                "postalCode": [
                  {
                    "code": "length",
                    "message": null,
                    "params": {
                      "value": "",
                      "min": 1
                    }
                  }
                ]
              }
            }
          }
        },
        "List item errors": {
          "summary": "List item errors",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "authorizedDirectors": {
                "0": {
                  "firstName": [
                    {
                      "code": "length",
                      "message": null,
                      "params": {
                        "value": "",
                        "min": 1
                      }
                    }
                  ],
                  "email": [
                    {
                      "code": "email",
                      "message": null,
                      "params": {
                        "value": "not-an-email"
                      }
                    }
                  ]
                }
              }
            }
          }
        },
        "Custom validator": {
          "summary": "Custom validator",
          "value": {
            "code": 422,
            "message": "Invalid Parameters",
            "errors": {
              "disbursementAccount": [
                {
                  "code": "disbursement_account_required",
                  "message": null,
                  "params": {
                    "value": null
                  }
                }
              ]
            }
          }
        },
        "Business rejection": {
          "summary": "Business rejection",
          "value": {
            "code": 422,
            "message": "Documents Not Accepted",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```

### definition-16

`#/components/schemas/ValidationFieldErrors`

```json
{
  "description": "Nested validation errors keyed by field name or array index. Leaf values are arrays of `ValidationError` objects.",
  "oneOf": [
    {
      "type": "array",
      "items": {
        "$ref": "#/components/schemas/ValidationError"
      }
    },
    {
      "type": "object",
      "additionalProperties": {
        "$ref": "#/components/schemas/ValidationFieldErrors"
      },
      "properties": {}
    }
  ]
}
```

### definition-17

`#/components/schemas/ValidationError`

```json
{
  "type": "object",
  "description": "One field-level validation error.",
  "properties": {
    "code": {
      "type": "string",
      "description": "Identifier of the validation rule that failed, such as `length` or `invalid_currency`.",
      "examples": [
        "length"
      ]
    },
    "message": {
      "type": [
        "string",
        "null"
      ],
      "description": "Human-readable message.",
      "examples": [
        "string"
      ]
    },
    "params": {
      "type": "object",
      "description": "Rule-specific parameters. Always includes `value` (the offending input). Additional keys depend on the rule (e.g. `min`, `max` for length).",
      "properties": {
        "value": {
          "description": "The submitted value that failed validation.",
          "examples": [
            "string"
          ]
        }
      }
    }
  },
  "required": [
    "code",
    "params"
  ]
}
```

### definition-18

`#/components/responses/InternalError`

```json
{
  "description": "An unexpected server error prevented the request from completing.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "properties": {
          "code": {
            "type": "integer",
            "description": "HTTP status code, duplicated in the body."
          },
          "message": {
            "type": "string",
            "description": "Human-readable message describing the error."
          },
          "errors": {
            "type": [
              "object",
              "null"
            ],
            "description": "Additional error details; null when there are none."
          }
        },
        "required": [
          "code",
          "message",
          "errors"
        ]
      },
      "examples": {
        "Example 1": {
          "summary": "Example 1",
          "value": {
            "code": 500,
            "message": "Internal Error",
            "errors": null
          }
        }
      }
    }
  },
  "headers": {
    "X-Request-Id": {
      "description": "Unique id of this request (echoed from the request, or generated when omitted). Recorded in Axiym logs — quote it when contacting support about a failed request.",
      "schema": {
        "type": "string",
        "format": "uuid",
        "examples": [
          "3fa85f64-5717-4562-b3fc-2c963f66afa6"
        ]
      }
    }
  }
}
```