String symbol = "BNBUSDT";
try {
ApiResponse<AccountCommissionResponse> response = getApi().accountCommission(symbol);
System.out.println(response.getData());
} catch (ApiException exception) {
// get http code
int httpCode = exception.getCode();
// get error message
String message = exception.getMessage();
// headers are in lowercase
List<String> retryafter = exception.getResponseHeaders().get("retry-after");
System.out.println(retryafter);
}