curl --location --request GET 'https://api.kucoin.com/api/v1/accounts/transferable?currency=&type=MAIN&tag'{
"code": "200000",
"data": {
"currency": "USDT",
"balance": "10.5",
"available": "10.5",
"holds": "0",
"transferable": "10.5"
}
}