# List conversion pairs

Returns the conversion directions available to the selected client. Each pair defines the sell currency, buy currency, payment rails, and minimum sell amount.

Use `pairId` when creating a conversion for that client. The reverse direction requires a separate pair.

Product: Client Trade API
API reference version: 0.3.0 (current)
OpenAPI contract: https://docs.axiym.io/openapi/trade-api/0.3.0.yaml
Canonical page: https://docs.axiym.io/trade-api/api-reference/0.3.0/conversions/listConversionPairs

[Complete reference with related definitions](/trade-api/api-reference/0.3.0/conversions/listConversionPairs.full.md)

## GET /clients/{clientId}/conversion-pairs

## 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: clientId

```json
{
  "name": "clientId",
  "in": "path",
  "required": true,
  "schema": {
    "type": "string",
    "format": "uuid",
    "examples": [
      "1d2f7f5e-8a3b-4c6d-9e0f-2a4b6c8d0e2f"
    ]
  },
  "description": "Client identifier (UUID) assigned when an onboarding case is created. It identifies the onboarding case and, once active, the client's Client Trade API resources. The client must belong to your partnership; anyone else's id returns 404."
}
```

### 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 pairs.",
  "content": {
    "application/json": {
      "schema": {
        "type": "object",
        "required": [
          "nodes"
        ],
        "properties": {
          "nodes": {
            "type": "array",
            "items": {
              "$ref": "#/components/schemas/ConversionPair"
            }
          }
        }
      },
      "examples": {
        "Conversion pairs": {
          "summary": "Both directions for a USD/USDT pair",
          "value": {
            "nodes": [
              {
                "pairId": "7c9e1a3b-5d2f-4e8a-9b0c-6d4f2a8e1c3b",
                "pair": "USD-USDT",
                "sell": {
                  "currency": "USD",
                  "paymentRails": "ZENUS_BANK"
                },
                "buy": {
                  "currency": "USDT",
                  "paymentRails": "TRON"
                },
                "minAmount": "100.00"
              },
              {
                "pairId": "2b8d0c4e-6f1a-4d3c-8e5b-9a7c3f0d2e4a",
                "pair": "USDT-USD",
                "sell": {
                  "currency": "USDT",
                  "paymentRails": "TRON"
                },
                "buy": {
                  "currency": "USD",
                  "paymentRails": "ZENUS_BANK"
                },
                "minAmount": "100.00"
              }
            ]
          }
        }
      }
    }
  }
}
```

### 400

```json
{
  "description": "",
  "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": "",
  "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": "Forbidden",
  "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"
        ]
      }
    }
  }
}
```

### 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": "",
  "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": "listConversionPairs"
}
```

## Referenced schemas

Fetch the relevant schema to inspect its fields, constraints and related types.

- [`#/components/schemas/ConversionPair`](/trade-api/api-reference/0.3.0/schemas/ConversionPair.md)
- [`#/components/schemas/ValidationFieldErrors`](/trade-api/api-reference/0.3.0/schemas/ValidationFieldErrors.md)