curl --request GET \
  --url https://api.sandbox.getasset.com/v0/business/{business_id}/reports/cash-flow \
  --header 'Authorization: Bearer <token>'

{
  "data": [
    {
      "period": "<string>",
      "records": [
        {
          "name": "<string>",
          "amount": 123,
          "total_amount": 123,
          "ledger_id": "<string>",
          "children": [
            {
              "amount": 100,
              "children": [],
              "ledger_id": "<string>",
              "name": "<string>",
              "total_amount": 150
            }
          ]
        }
      ]
    }
  ]
}