API Key authentication for private endpoints.
Required headers:
Successful response
null
Default taker fee percentage
"0.1"
Default maker fee percentage
"0.1"
Futures taker fee rate (default or custom if assigned)
"0.0002"
Futures maker fee rate (default or custom if assigned)
"0.0001"
Custom fees for specific markets
{
"BTC_USDT": ["0.1", "0.2"],
"ETH_USDT": ["0.1", "0.2"]
}