curl --request GET \
  --url https://li.quest/v1/integrators/{integratorId}

{
  "integratorId": "fee-demo",
  "feeBalances": [
    {
      "chainId": 137,
      "tokenBalances": [
        {
          "token": {
            "address": "0x0000000000000000000000000000000000000000",
            "symbol": "MATIC",
            "decimals": 18,
            "chainId": 137,
            "name": "MATIC",
            "coinKey": "MATIC",
            "priceUSD": "0.742896",
            "logoURI": "https://static.debank.com/image/matic_token/logo_url/matic/6f5a6b6f0732a7a235131bd7804d357c.png"
          },
          "amount": 0,
          "amountUsd": 0
        }
      ]
    }
  ]
}