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@whatsmate
Created July 21, 2022 07:18
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How to send messages to a Telegram group in C# using Visual Studio 2022
using System;
using System.Net;
using System.Text.Json;
using System.IO;
using System.Text;
class TelegramGroupMessageSender
{
// TODO: Replace the following with your gateway instance ID, Premium Account client ID and secret:
private static string INSTANCE_ID = "YOUR_INSTANCE_ID_HERE";
private static string CLIENT_ID = "YOUR_CLIENT_ID_HERE";
private static string CLIENT_SECRET = "YOUR_CLIENT_SECRET_HERE";
private static string API_URL = "https://api.whatsmate.net/v3/telegram/group/text/message/" + INSTANCE_ID;
static void Main(string[] args)
{
TelegramGroupMessageSender groupMsgSender = new TelegramGroupMessageSender();
groupMsgSender.sendGroupMessage("Muscle Men Club", "19159876123", "Your six-pack is on the way!"); // TODO: Specify the group namd and group admin
Console.WriteLine("Press Enter to exit.");
Console.ReadLine();
}
public bool sendGroupMessage(string group_name, string group_admin, string message)
{
bool success = true;
try
{
HttpWebRequest httpRequest = (HttpWebRequest)WebRequest.Create(API_URL);
httpRequest.Method = "POST";
httpRequest.Accept = "application/json";
httpRequest.ContentType = "application/json";
httpRequest.Headers["X-WM-CLIENT-ID"] = CLIENT_ID;
httpRequest.Headers["X-WM-CLIENT-SECRET"] = CLIENT_SECRET;
GroupPayload payloadObj = new GroupPayload() { group_name = group_name, group_admin = group_admin, message = message };
string postData = JsonSerializer.Serialize(payloadObj);
using (var streamWriter = new StreamWriter(httpRequest.GetRequestStream()))
{
streamWriter.Write(postData);
}
var httpResponse = (HttpWebResponse)httpRequest.GetResponse();
using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))
{
var result = streamReader.ReadToEnd();
Console.WriteLine(result);
}
}
catch (WebException webExcp)
{
Console.WriteLine("A WebException has been caught.");
Console.WriteLine(webExcp.ToString());
WebExceptionStatus status = webExcp.Status;
if (status == WebExceptionStatus.ProtocolError)
{
Console.Write("The REST API server returned a protocol error: ");
HttpWebResponse? httpResponse = webExcp.Response as HttpWebResponse;
Stream stream = httpResponse.GetResponseStream();
StreamReader reader = new StreamReader(stream);
String body = reader.ReadToEnd();
Console.WriteLine((int)httpResponse.StatusCode + " - " + body);
success = false;
}
}
catch (Exception e)
{
Console.WriteLine("A general exception has been caught.");
Console.WriteLine(e.ToString());
success = false;
}
return success;
}
public class GroupPayload
{
public string group_name { get; set; }
public string group_admin { get; set; }
public string message { get; set; }
}
}
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