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

{
  "gcid": 123,
  "totalBalance": 123,
  "displayCurrency": "<string>",
  "balances": [
    {
      "accountId": "<string>",
      "subType": "<string>",
      "balance": 123,
      "currency": "<string>",
      "displayBalance": 123,
      "displayCurrency": "<string>",
      "exchangeRate": 123,
      "equityDetails": {
        "available": 123,
        "frozenCash": 123,
        "currentPNL": 123,
        "totalUsedMargin": 123,
        "cryptoId": 123,
        "balance": 123,
        "totalBalance": 123,
        "spendableBalance": 123,
        "balanceInFiat": 123,
        "totalBalanceInFiat": 123,
        "spendableBalanceInFiat": 123,
        "fiatConversionCurrency": "<string>",
        "orderIndex": 123
      }
    }
  ]
}