Created
July 21, 2022 05:01
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How to send Telegram Messages in C# using Visual Studio 2022
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| using System; | |
| using System.Net; | |
| using System.Text.Json; | |
| using System.IO; | |
| using System.Text; | |
| class TelegramMessageSender | |
| { | |
| // 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/single/text/message/" + INSTANCE_ID; | |
| static void Main(string[] args) | |
| { | |
| TelegramMessageSender msgSender = new TelegramMessageSender(); | |
| msgSender.sendMessage("12025550108", "Isn't this excting?"); // Specify the recipient's number here. NOT the gateway number | |
| Console.WriteLine("Press Enter to exit."); | |
| Console.ReadLine(); | |
| } | |
| public bool sendMessage(string number, 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; | |
| Payload payloadObj = new Payload() { number = number, 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 Payload | |
| { | |
| public string number { get; set; } | |
| public string message { get; set; } | |
| } | |
| } |
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