curl --request GET \
  --url https://app.herondata.io/api/end_users/{end_user_id_or_heron_id}/data_source_account_summary \
  --header 'x-api-key: <api-key>'

[
  {
    "data_source_account_summaries": [
      {
        "account": {
          "account_id": "202348",
          "anomaly_score": 200,
          "balances": [
            {
              "closing_amount": 25000.45,
              "currency": "USD",
              "date": "2022-01-01"
            }
          ],
          "currency": "USD",
          "end_date": "2022-01-31",
          "heron_id": "dso_XE47ABWHzvWdBJoqmcCDL7",
          "institution_name": "Chase",
          "is_enabled": true,
          "max_date": "2022-01-31",
          "min_date": "2022-01-01",
          "name": "Checking Account",
          "num_transactions": 120,
          "number": "123456789",
          "owner_name": "John Doe",
          "reference_id": "account-202348",
          "start_date": "2022-01-01",
          "transactions_match_balances": true,
          "type": "Checking"
        },
        "summary": {
          "average_balance": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "average_balance_to_revenue_ratio": 123,
          "dd_reversals": 123,
          "ending_balance": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "holdback_percentage": 123,
          "low_balance_days": 123,
          "mca_credits": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "mca_debits": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "negative_balance_days": 123,
          "no_deposits": 123,
          "no_od_nsf": 123,
          "no_overdraft_transactions": 123,
          "no_revenue": 123,
          "no_withdrawals": 123,
          "non_revenue": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "starting_balance": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "total_deposits": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "total_revenue": {
            "amount": "1234.56",
            "currency": "USD"
          },
          "total_withdrawals": {
            "amount": "1234.56",
            "currency": "USD"
          }
        }
      }
    ],
    "end_user": {
      "end_user_id": "e4be922c-f69f-474c-8e3d-b20aafb38398",
      "heron_id": "eus_82aJ3W55xESAbaF7mF5pZX",
      "name": "Company Name Inc."
    }
  }
]