# Convert currencies between balances (v1) (deprecated)

This endpoint is deprecated. Use the [balance movements endpoint](/api-reference/legacy/balance/balancemovement) to move and convert between balances instead.
Convert funds between your multi-currency account currencies.
Quote which is used in this call must be created with `"payOut": "BALANCE"`.
Note that this call needs an extra field in header called `X-idempotence-uuid`.

Endpoint: POST /v1/borderless-accounts/{borderlessAccountId}/conversions
Security: UserToken

## Path parameters:

  - `borderlessAccountId` (integer, required)
    Your borderless account ID.

## Header parameters:

  - `X-idempotence-uuid` (string, required)
    Unique identifier assigned by you. Used for idempotency check purposes. Should your call fail for technical reasons then you can use the same value again for making retry call.

  - `X-External-Correlation-Id` (string)
    Optional UUID for correlating requests across systems. If provided, Wise echoes it back in the response. Maximum 36 characters. [Learn more](/guides/developer/headers/correlation-id).

## Request fields (application/json):

  - `quoteId` (integer, required)
    Conversion quote ID.
    Example: 1234