curl --location --request GET 'https://open-api.coinank.com/api/baseCoin/symbols?exchange=Binance&productType=SWAP' \
--header 'apikey;'
{
"success": true,
"code": "string",
"data": [
{
"symbol": "string",
"baseCoin": "string",
"exchangeName": "string"
}
]
}