var baseUrl = "https://api.gdax.com/";
        var apiKey = "<api-key>";
        var secret = "<secret>";
        var passphrase = "<passphrase>";

        var requestAuthenticator = new RequestAuthenticator(apiKey, passphrase, secret); 
        var productClient = new ProductClient(baseUrl, requestAuthenticator);
        var productResponse = await productClient.GetProductTickerAsync("BTC-USD");
        
        if(productResponse.StatusCode == HttpStatusCode.OK)
        {
            var ticker = productResponse.Value;
            Console.WriteLine("Price: {0}", ticker.price);
        }