v3 API Java Code Example

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We recommend using SendGrid Java, our client library, available on GitHub(link takes you to an external page), with full documentation.

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

Using SendGrid's Java Library

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The following example sends a single email with the Twilio SendGrid Java library. Set your API key in the SENDGRID_API_KEY environment variable, then build and send the message.

Send an email with the Twilio SendGrid Java library

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1// using SendGrid's Java Library
2// https://github.com/sendgrid/sendgrid-java
3import com.sendgrid.*;
4import com.sendgrid.helpers.mail.*;
5import com.sendgrid.helpers.mail.objects.*;
6import java.io.IOException;
7
8public class Example {
9  public static void main(String[] args) throws IOException {
10    Email from = new Email("test@example.com");
11    String subject = "Sending with SendGrid is Fun";
12    Email to = new Email("test@example.com");
13    Content content = new Content("text/plain", "and easy to do anywhere, even with Java");
14    Mail mail = new Mail(from, subject, to, content);
15
16    SendGrid sg = new SendGrid(System.getenv("SENDGRID_API_KEY"));
17    Request request = new Request();
18    try {
19      request.setMethod(Method.POST);
20      request.setEndpoint("mail/send");
21      request.setBody(mail.build());
22      Response response = sg.api(request);
23      System.out.println(response.getStatusCode());
24      System.out.println(response.getBody());
25      System.out.println(response.getHeaders());
26    } catch (IOException ex) {
27      throw ex;
28    }
29  }
30}

Need some help?

We all do sometimes; code is hard. Get help now from our support team(link takes you to an external page), or lean on the wisdom of the crowd by browsing the SendGrid tag(link takes you to an external page) on Stack Overflow.

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