code get

    Public Function checkusername(Username As String) As Object
        Dim result As Object = False
        Try
            Dim httpWebRequest As HttpWebRequest = CType(WebRequest.Create("https://i.instagram.com/api/v1/feed/user/" + Username + "/username/"), HttpWebRequest)
            httpWebRequest.Method = "GET"
            httpWebRequest.UserAgent = "Instagram 20.1.1.1.1 Android"
            httpWebRequest.Proxy = Nothing
            httpWebRequest.CookieContainer = Me.Sessionz
            Dim httpWebResponse As HttpWebResponse = CType(httpWebRequest.GetResponse(), HttpWebResponse)
            Dim flag As Boolean = New StreamReader(httpWebResponse.GetResponseStream()).ReadToEnd().Contains("{""items"": [], ""num_results"": 0, ""status"": ""ok""}")
            If flag Then
                result = True
            Else
                result = False
            End If
        Catch ex As Exception
            result = False
        End Try
        Return result
    End Function