Get Account Balances

Returns the account’s latest balance for all supported currencies (USD and any configured supported_currencies e.g. VND, PHP).

Authentication:

• REQUIRED: Provide client_id and client_secret via Basic Auth. The exchange_app_id is derived from authenticated credentials.

Response (200 OK):

• balances: Object keyed by currency code. Each value has available, locked, total, and currency (e.g. USD, VND, PHP).