# Update a currency rate

Endpoint: PATCH /currency-rates/{currencyRateId}
Version: 1.12
Security: bearerAuth

## Path parameters:

  - `currencyRateId` (integer, required)
    Currency rate identifier
    Example: 1

## Request fields (application/json-patch+json):

  - `op` (string, required)
    The JSON Patch operation to be performed
    Enum: "add", "remove", "replace", "move", "copy", "test"

  - `path` (string, required)
    A JSON-Pointer

  - `value` (object)
    The value to be used within the operations

  - `from` (string)
    A string containing a JSON Pointer value

## Response 200 fields (application/json):

  - `id` (integer)
    Internal identifier of currency rate
    Example: 1

  - `sourceCurrencyId` (integer, required)
    Identifier of currency that is being converted from
    Example: 1

  - `targetCurrencyId` (integer, required)
    Identifier of currency that is being converted to
    Example: 1

  - `exchangeRate` (number, required)
    Exchange rate from source currency to target currency in major currency (e.g pounds/dollars/euros) unit. For example, from Argentina Peso to GBP is 446.2497
    Example: 446.2497

  - `startDate` (string, required)
    Start date

  - `endDate` (string)
    End date


## Response 400 fields

## Response 401 fields

## Response 403 fields

## Response 404 fields

## Response 500 fields