public async static void GetIoTCentral() { Console.WriteLine("Read current telemetry value..."); string restUriGet = "https://store-manager-11368.azureiotcentral.com/api/preview/devices/storemon-sim-001/telemetry/humid"; var client = new HttpClient(); client.DefaultRequestHeaders.Add("Authorization", "SharedAccessSignature sr=2e192a75-1e6c-42b2-915f-18807bd085e1&sig=9qakteVxBQTS8EvcbZUY%2FFWe44p7BGSZC6wHb0X1SAI%3D&skn=admin&se=1639760275692"); var res = await client.GetAsync(restUriGet); var jsonString = await res.Content.ReadAsStringAsync(); Console.WriteLine($"Sent {res.StatusCode} {jsonString}"); }