Example.Example.TemplateWithoutHelper C# (CSharp) Method

        private static async Task TemplateWithoutHelper()
        {
            String apiKey = Environment.GetEnvironmentVariable("SENDGRID_APIKEY", EnvironmentVariableTarget.User);
            dynamic sg = new SendGrid.SendGridAPIClient(apiKey, "https://api.sendgrid.com");

            string data = @"{
              'personalizations': [
                {
                  'to': [
                    {
                      'email': '[email protected]'
                    }
                  ],
                  'substitutions': {
                    '-name-': 'Example User',
                    '-city-': 'Denver'
                  },
                  'subject': 'I\'m replacing the subject tag'
                }
              ],
              'from': {
                'email': '[email protected]'
              },
              'content': [
                {
                  'type': 'text/html',
                  'value': 'I\'m replacing the <strong>body tag</strong>'
                }
              ],
              'template_id': '13b8f94f-bcae-4ec6-b752-70d6cb59f932'
            }";
            //test @example.com
            Object json = JsonConvert.DeserializeObject<Object>(data);
            dynamic response = await sg.client.mail.send.post(requestBody: json.ToString());

            Console.WriteLine(response.StatusCode);
            Console.WriteLine(response.Body.ReadAsStringAsync().Result);
            Console.WriteLine(response.Headers.ToString());

            Console.ReadLine();

        }