curl --request GET \
  --url https://api.meetcampfire.com/coa/api/budgets/{budget_pk}/accounts \
  --header 'Authorization: <api-key>'

[
  {
    "id": 123,
    "account_name": "<string>",
    "account_lineage": "<string>",
    "department_name": "<string>",
    "period": 1,
    "amount": 0,
    "created_at": "2023-11-07T05:31:56Z",
    "last_modified_at": "2023-11-07T05:31:56Z",
    "customer": 123,
    "budget": 123,
    "account": 123,
    "department": 123
  }
]