Retrieves the balance of funds that are available for use.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
The wallet ID of the wallet for which to retrieve the balances. If not provided, the default is the main wallet of the account.
You can get wallet IDs associated with your account using the Core API for Institutions.
Successfully retrieved balances.
Available and unsettled balances of the merchant.