var ticker = await PublicApi.GetTicker(ProductCode.BtcJpy);

var api = new PrivateApi("Your API Key", "Your API Secret");
var result = await api.SendChildOrder(new SendChildOrderParameter
{
    ProductCode = ProductCode.FxBtcJpy,
    ChildOrderType = ChildOrderType.Limit,
    Side = Side.Buy,
    Price = 10000,
    Size = 0.01,
    MinuteToExpire = 10000,
    TimeInForce = TimeInForce.GoodTilCanceled
});

class Program
{
    static void Main(string[] args)
    {
        var api = new RealtimeApi();
        
        api.Subscribe<Ticker>(RealtimeChannel.TickerFxBtcJpy, OnReceive, OnConnect, OnError).Wait();
        
        Console.ReadKey();
    }
    
    static void OnConnect()
    {
        Console.WriteLine("connected.");
    }
    
    static void OnReceive(Ticker data)
    {
        Console.WriteLine(data);
    }
    
    static void OnError(string message, Exception ex)
    {
        Console.WriteLine(message);
        if (ex != null)
        {
            Console.WriteLine(ex);
        }
    }
}