Kucoin offers public Market Data through REST Endpoints, when you call one of these endpoints, you will get an snapshot of the market data requested.
The Market Data Endpoints doesn't require authentication, so are freely available to all users.
Example: to get the snapshot of the ticker BTC-USDT, do the following call
oKucoin := TsgcWSAPI_Kucoin.Create(nil);
ShowMessage(oKucoin.REST_API.GetTicker('BTC-USDT'));