curl --request GET \
  --url https://api.meetcampfire.com/ca/api/get_cash_flow \
  --header 'Authorization: <api-key>'

{
  "cash_flow": [
    {
      "account_id": "12088",
      "account_name": "Accounts Receivable",
      "account_number": "120000",
      "hierarchy": [
        "OPERATING",
        "ADJUSTMENTS_TO_NET_INCOME",
        "12088"
      ],
      "transaction_activity": {
        "2023-10-01": null,
        "2023-11-01": -1400
      }
    },
    {
      "account_id": "12235",
      "account_name": "Expense Card ****3293",
      "account_number": "220012",
      "hierarchy": [
        "OPERATING",
        "ADJUSTMENTS_TO_NET_INCOME",
        "12235"
      ],
      "transaction_activity": {
        "2023-10-01": 4.639999999999972,
        "2023-11-01": -104.85999999999997
      }
    }
  ]
}