v3 API Java Code Example

We recommend using SendGrid Java, our client library, available on GitHub, with full documentation.

Do you have an API Key yet? If not, go get one. You're going to need it to integrate!

Using SendGrid's Java Library

// using SendGrid's Java Library
// https://github.com/sendgrid/sendgrid-java
import com.sendgrid.*;
import com.sendgrid.helpers.mail.*;
import com.sendgrid.helpers.mail.objects.*;
import java.io.IOException;

public class Example {
  public static void main(String[] args) throws IOException {
    Email from = new Email("test@example.com");
    String subject = "Sending with SendGrid is Fun";
    Email to = new Email("test@example.com");
    Content content = new Content("text/plain", "and easy to do anywhere, even with Java");
    Mail mail = new Mail(from, subject, to, content);

    SendGrid sg = new SendGrid(System.getenv("SENDGRID_API_KEY"));
    Request request = new Request();
    try {
      Response response = sg.api(request);
    } catch (IOException ex) {
      throw ex;
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