curl --request GET \
  --url https://api.example.com/v1/ledgers/{id}/balance \
  --header 'Authorization: Bearer <token>'

{
  "ledger_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "balance_current": 123,
  "balance_available": 123,
  "currency_code": "<string>",
  "last_activity_date": "2023-11-07T05:31:56Z"
}