如何使用c#为worldpay api生成令牌

public class WorldpayTokenRequest
{
    public string OrderAmount { get; set; }
    public string CurrencyCode { get; set; }
    public string CardNumber { get; set; }
    public string ExpiryMonth { get; set; }
    public string ExpiryYear { get; set; }
    public string CVC { get; set; }
}

public async Task<string> GenerateToken(WorldpayTokenRequest request)
{
    using (HttpClient client = new HttpClient())
    {
        client.BaseAddress = new Uri("https://api.worldpay.com/v1/tokens");
        client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", "YOUR_API_KEY:YOUR_SERVICE_KEY");

        var content = new StringContent(JsonConvert.SerializeObject(request), Encoding.UTF8, "application/json");
        var response = await client.PostAsync("", content);

        if (response.IsSuccessStatusCode)
        {
            var result = await response.Content.ReadAsStringAsync();
            dynamic tokenResponse = JsonConvert.DeserializeObject(result);
            return tokenResponse.token;
        }
        else
        {
            throw new Exception("Failed to generate token");
        }
    }
}

WorldpayTokenRequest tokenRequest = new WorldpayTokenRequest
{
    OrderAmount = "10.00",
    CurrencyCode = "USD",
    CardNumber = "4111111111111111",
    ExpiryMonth = "12",
    ExpiryYear = "2023",
    CVC = "123"
};

string token = await GenerateToken(tokenRequest);
Console.WriteLine("Generated token: " + token);