curl --request POST \
  --url https://whitebit.com/api/v4/main-account/fee \
  --header 'Content-Type: application/json' \
  --header 'X-TXC-APIKEY: <api-key>' \
  --data '
{
  "request": "<string>",
  "nonce": "<string>"
}
'

[
  {
    "ticker": "<string>",
    "name": "<string>",
    "can_deposit": "<string>",
    "can_withdraw": "<string>",
    "deposit": {
      "minFlex": "<string>",
      "maxFlex": "<string>",
      "percentFlex": "<string>",
      "fixed": "<string>",
      "minAmount": "<string>",
      "maxAmount": "<string>"
    },
    "withdraw": {
      "minFlex": "<string>",
      "maxFlex": "<string>",
      "percentFlex": "<string>",
      "fixed": "<string>",
      "minAmount": "<string>",
      "maxAmount": "<string>"
    }
  }
]