C# Api Client

public static bool CertValidation(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslpolicyErrors)
{
    bool result = true;
    // TODO: implement
    return result;
}

public static string HttpPostJSonString(string url, string postData)//user_key untuk ws vclaim 2
{
    string responseFromServer = "";
    try
    {
        System.Net.ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CertValidation);
        HttpWebRequest request = WebRequest.Create(new Uri(url)) as HttpWebRequest;
        // Set the Method property of the request to POST.
        request.Method = "POST";
        //req.Timeout = 10000;// 10 seconds // belum ada issue jangan dipasang dulu
        //req.Headers.Add("Accept", "application/json");
        request.Headers.Add("X-cons-id", xConsId);
        request.Headers.Add("X-timestamp", xTimeStamp);
        request.Headers.Add("X-signature", xSignature);
        // Create POST data and convert it to a byte array.
        //string postData = "This is a test that posts this string to a Web server.";
        byte[] byteArray = Encoding.UTF8.GetBytes(postData);
        // Set the ContentType property of the WebRequest.
        request.ContentType = "application/x-www-form-urlencoded";//application/xml;charset=UTF-8
        // Set the ContentLength property of the WebRequest.
        req.ContentLength = byteArray.Length;
        // Get the request stream.
        Stream dataStream = req.GetRequestStream();
        // Write the data to the request stream.
        dataStream.Write(byteArray, 0, byteArray.Length);
        // Close the Stream object.
        dataStream.Close();
        // Get the response.
        WebResponse response = req.GetResponse();
        // Display the status.
        // Console.WriteLine(((HttpWebResponse)response).StatusDescription);
        // Get the stream containing content returned by the server.
        dataStream = response.GetResponseStream();
        // Open the stream using a StreamReader for easy access.
        StreamReader reader = new StreamReader(dataStream);
        // Read the content.
        responseFromServer = reader.ReadToEnd();
        // Display the content.
        Console.WriteLine(responseFromServer);
        // Clean up the streams.
        reader.Close();
        dataStream.Close();
        response.Close();
    } catch (Exception ex) {
        responseFromServer = ex.Message;
    }
    return responseFromServer;
}

string endPoint = "";
string postData = JsonConvert.SerializeObject(YourModel);
string responseString = BPJSBridge.HttpPostJSonString($"{endPoint}",postData);
ResponseModel responseModel = JsonConvert.DeserializeObject<ResponseModel>(responseString);