import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; import com.sendgrid.*; import java.io.IOException; import java.util.HashMap; import java.util.Map; ////////////////////////////////////////////////////////////////// // Create a batch ID // POST /mail/batch public class Example { public static void main(String[] args) throws IOException { try { SendGrid sg = new SendGrid(System.getenv("SENDGRID_API_KEY")); Request request = new Request(); request.setMethod(Method.POST); request.setEndpoint("mail/batch"); Response response = sg.api(request); System.out.println(response.getStatusCode()); System.out.println(response.getBody()); System.out.println(response.getHeaders()); } catch (IOException ex) { throw ex; } } } ////////////////////////////////////////////////////////////////// // Validate batch ID // GET /mail/batch/{batch_id} public class Example { public static void main(String[] args) throws IOException { try { SendGrid sg = new SendGrid(System.getenv("SENDGRID_API_KEY")); Request request = new Request(); request.setMethod(Method.GET); request.setEndpoint("mail/batch/{batch_id}"); Response response = sg.api(request); System.out.println(response.getStatusCode()); System.out.println(response.getBody()); System.out.println(response.getHeaders()); } catch (IOException ex) { throw ex; } } } ////////////////////////////////////////////////////////////////// // v3 Mail Send // POST /mail/send // This endpoint has a helper, check it out [here](https://github.com/sendgrid/sendgrid-java/blob/master/src/main/java/com/sendgrid/helpers/README.md). public class Example { public static void main(String[] args) throws IOException { try { SendGrid sg = new SendGrid(System.getenv("SENDGRID_API_KEY")); Request request = new Request(); request.setMethod(Method.POST); request.setEndpoint("mail/send"); request.setBody("{\"custom_args\":{\"New Argument 1\":\"New Value 1\",\"activationAttempt\":\"1\",\"customerAccountNumber\":\"[CUSTOMER ACCOUNT NUMBER GOES HERE]\"},\"from\":{\"email\":\"[email protected]\",\"name\":\"Sam Smith\"},\"attachments\":[{\"name\":\"file1\",\"filename\":\"file1.jpg\",\"content\":\"[BASE64 encoded content block here]\",\"disposition\":\"inline\",\"content_id\":\"ii_139db99fdb5c3704\",\"type\":\"jpg\"}],\"personalizations\":[{\"to\":[{\"email\":\"[email protected]\",\"name\":\"John Doe\"}],\"cc\":[{\"email\":\"[email protected]\",\"name\":\"Jane Doe\"}],\"bcc\":[{\"email\":\"[email protected]\",\"name\":\"Sam Doe\"}],\"custom_args\":{\"New Argument 1\":\"New Value 1\",\"activationAttempt\":\"1\",\"customerAccountNumber\":\"[CUSTOMER ACCOUNT NUMBER GOES HERE]\"},\"headers\":{\"X-Accept-Language\":\"en\",\"X-Mailer\":\"MyApp\"},\"send_at\":1409348513,\"substitutions\":{\"type\":\"object\",\"id\":\"substitutions\"},\"subject\":\"Hello, World!\"}],\"subject\":\"Hello, World!\",\"ip_pool_name\":\"[YOUR POOL NAME GOES HERE]\",\"content\":[{\"type\":\"text/html\",\"value\":\"

Hello, world!

\"}],\"headers\":{},\"asm\":{\"groups_to_display\":[1,2,3],\"group_id\":1},\"batch_id\":\"[YOUR BATCH ID GOES HERE]\",\"tracking_settings\":{\"subscription_tracking\":{\"text\":\"If you would like to unsubscribe and stop receiveing these emails <% click here %>.\",\"enable\":true,\"html\":\"If you would like to unsubscribe and stop receiving these emails <% clickhere %>.\",\"substitution_tag\":\"<%click here%>\"},\"open_tracking\":{\"enable\":true,\"substitution_tag\":\"%opentrack\"},\"click_tracking\":{\"enable\":true,\"enable_text\":true},\"ganalytics\":{\"utm_campaign\":\"[NAME OF YOUR REFERRER SOURCE]\",\"enable\":true,\"utm_name\":\"[NAME OF YOUR CAMPAIGN]\",\"utm_term\":\"[IDENTIFY PAID KEYWORDS HERE]\",\"utm_content\":\"[USE THIS SPACE TO DIFFERENTIATE YOUR EMAIL FROM ADS]\",\"utm_medium\":\"[NAME OF YOUR MARKETING MEDIUM e.g. email]\"}},\"mail_settings\":{\"footer\":{\"text\":\"Thanks,/n The SendGrid Team\",\"enable\":true,\"html\":\"

ThanksThe SendGrid Team

\"},\"spam_check\":{\"threshold\":3,\"post_to_url\":\"http://example.com/compliance\",\"enable\":true},\"bypass_list_management\":{\"enable\":true},\"sandbox_mode\":{\"enable\":false},\"bcc\":{\"enable\":true,\"email\":\"[email protected]\"}},\"reply_to\":{\"email\":\"[email protected]\",\"name\":\"Sam Smith\"},\"sections\":{\"section\":{\":sectionName2\":\"section 2 text\",\":sectionName1\":\"section 1 text\"}},\"template_id\":\"[YOUR TEMPLATE ID GOES HERE]\",\"categories\":[\"category1\",\"category2\"],\"send_at\":1409348513}"); Response response = sg.api(request); System.out.println(response.getStatusCode()); System.out.println(response.getBody()); System.out.println(response.getHeaders()); } catch (IOException ex) { throw ex; } } }