To get the Telegram User ID using VB.NET, you can make use of the Telegram Bot API. Follow the steps below to accomplish this:

  1. Create a new Telegram bot by contacting the BotFather on Telegram. The BotFather will provide you with an API token for your bot.
  2. Add the Telegram.Bot NuGet package to your VB.NET project. Right-click on your project in Visual Studio, select “Manage NuGet Packages,” search for “Telegram.Bot,” and install it.
  3. Import the required namespaces in your code file:
 Public Sub GetChatIDJson()
        ' Telegram bot token
        Dim botToken As String = Bot_ApiToken

        ' Make HTTP request to get updates
        Dim apiUrl As String = $"{botToken}/getUpdates"
        Dim request As HttpWebRequest = DirectCast(WebRequest.Create(apiUrl), HttpWebRequest)
        Dim response As HttpWebResponse = DirectCast(request.GetResponse(), HttpWebResponse)

        ' Read response stream
        Using reader As New StreamReader(response.GetResponseStream())
            Dim jsonResponse As String = reader.ReadToEnd()

            'Parse JSON response
            Dim parsedResponse As JObject = JObject.Parse(jsonResponse)
            Dim resultArray As JArray = DirectCast(parsedResponse("result"), JArray)

            'Iterate over updates
            For Each update As JObject In resultArray
                Dim chatId As Long = update("message")("chat")("id").ToObject(Of Long)()
                Console.WriteLine("Chat ID: " & chatId)
                'UserChatID = chatId

        End Using

    End Sub

Remember to replace “YOUR_BOT_TOKEN” with the actual token obtained from the BotFather.


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