Get balances

curl --request GET \
  --url https://api.sandbox.saalal.com/v1/business/balances \
  --header 'Authorization: Bearer <token>'

{
  "message": "OK",
  "statusCode": 200,
  "data": {
    "operational": 1000,
    "commission": 1000,
    "xof_rate": "<any>"
  }
}