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

{
  "data": [
    {
      "business_id": "biz_Pk2fNFDd8wj7EFeLWJywc7",
      "type": "business",
      "ledger_id": "ldg_Ns6rRRLYVZPh4cVB7MDby5",
      "contribution_ledger_id": "ldg_Ns6rRRLYVZPh4cVB7MDby5",
      "distribution_ledger_id": "ldg_Ns6rRRLYVZPh4cVB7MDby5",
      "source": "manual",
      "external_id": "<string>",
      "metadata_": {},
      "name": "ABC Business Checking",
      "mask": "1234",
      "linked_item_id": "lni_R2fAXCjqJPdpYata112zyW",
      "status": "connected",
      "disconnected_at": "2023-11-07T05:31:56Z",
      "last_synced_at": "2023-11-07T05:31:56Z",
      "last_balanced_at": "2023-11-07T05:31:56Z",
      "external_balance": 123,
      "last_statement_end_date": "2023-11-07T05:31:56Z",
      "id": "eac_Ns6rRRLYVZPh4cVB7MDby5"
    }
  ]
}