curl --request GET \
  --url https://public-api.etoro.com/api/v1/balances/history \
  --header 'x-api-key: <x-api-key>' \
  --header 'x-request-id: <x-request-id>' \
  --header 'x-user-key: <x-user-key>'

{
  "gcid": 123,
  "displayCurrency": "<string>",
  "fromDate": "2023-12-25",
  "toDate": "2023-12-25",
  "snapshots": [
    {
      "date": "2023-12-25",
      "totalCurrencyIso": "<string>",
      "totalCash": 123,
      "totalInvestedAmount": 123,
      "totalPnl": 123,
      "totalBalance": 123,
      "displayTotalCash": 123,
      "displayTotalInvestedAmount": 123,
      "displayTotalPnl": 123,
      "displayTotalBalance": 123,
      "totalExchangeRate": 123,
      "accountSnapshots": [
        {
          "accountId": "<string>",
          "currency": "<string>",
          "cash": 123,
          "investedAmount": 123,
          "pnl": 123,
          "total": 123,
          "usdRate": 123,
          "displayCash": 123,
          "displayInvestedAmount": 123,
          "displayPnl": 123,
          "displayTotal": 123,
          "exchangeRate": 123
        }
      ]
    }
  ]
}