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Built For Developers

Control everything through intuitive, RESTful APIs.

  • Fast and simple HTTP API or SMTP interface.
  • Server-side MIME assembly. No libraries required.
  • Live logs and webhook event notifications.
  • Everything is built and priced to scale with you.

Let us worry about the headaches of managing an email server.

Optimized Deliverability

Get emails delivered to inbox.

  • Processing of ESP feedback to optimize sending rates.
  • Clean IP addresses and whitelist registrations.
  • Proper authentication using SPF and DKIM.
  • Automated bounce, unsubscribe and complaint handling.

We provide the best infrastructure and deliverability expertise.

Receiving, Parsing & Storage

Real email servers, not just SMTP relay.

  • Create and manage mailboxes programmatically.
  • White label domains and spam filtering.
  • Routes to filter, parse and POST messages to your app.
  • Attachments, signatures and replies parsing.

Email is not just sending, use Mailgun to engage your users.

Track Everything

Analytics to measure and improve your performance.

  • Track clicks, opens, unsubscribes, bounces and complaints.
  • Create multiple campaigns with simple tagging.
  • Get notified of events in real time via HTTP.
  • Use with Mailing Lists for scalable newsletters.

More than enough data to impress any VP of Marketing.

Developer Examples developer docs 

  1. RestClient.post "https://api:key-3ax6xnjp29jd6fds4gc373sgvjxteol0" \
  2.   "@api.mailgun.net/v2/samples.mailgun.org/messages",
  3.   :from => "Excited User <me@samples.mailgun.org>",
  4.   :to => "dude@mailgun.net, devs@mailgun.net",
  5.   :subject => "Hello",
  6.   :text => "Testing some Mailgun awesomeness!"
  1. requests.post(("https://api.mailgun.net/v2/samples.mailgun.org/messages"),
  2.     auth=("api", "key-3ax6xnjp29jd6fds4gc373sgvjxteol0"),
  3.     data={
  4.             "from": "Excited User <me@samples.mailgun.org>",
  5.             "to": ["dude@mailgun.net",
  6.                    "devs@mailgun.net"],
  7.             "subject": "Hello",
  8.             "text": "Testing some Mailgun awesomeness!"})
  1. $request = new HttpRequest('https://api.mailgun.net/v2/samples.mailgun.org/messages', HttpRequest::METH_POST);
  2. $auth = base64_encode('api:key-3ax6xnjp29jd6fds4gc373sgvjxteol0');
  3. $request->setHeaders(array('Authorization' => 'Basic '.$auth));
  4. $request->setPostFields(array('from' =>'Excited User <Excited User <me@samples.mailgun.org>',
  5.                               'to' => 'dude@mailgun.net, devs@mailgun.net',
  6.                               'subject' => 'Hello',
  7.                               'text' => 'Testing some Mailgun awesomeness!'));
  8. $request->send();
  1. Client client = Client.create();
  2. client.addFilter(new HTTPBasicAuthFilter("api","key-3ax6xnjp29jd6fds4gc373sgvjxteol0"));
  3. WebResource webResource = client.resource("https://api.mailgun.net/v2/samples.mailgun.org/messages");
  4. MultivaluedMapImpl formData = new MultivaluedMapImpl();
  5. formData.add("from", "Excited User <me@samples.mailgun.org>");
  6. formData.add("to", "dude@mailgun.net");
  7. formData.add("to", "devs@mailgun.net");
  8. formData.add("subject", "Hello");
  9. formData.add("text", "Testing some Mailgun awesomeness!");
  10. webResource.type(MediaType.APPLICATION_FORM_URLENCODED).post(ClientResponse.class, formData);
  1. RestClient client = new RestClient();
  2. client.BaseUrl = "https://api.mailgun.net/v2";
  3. client.Authenticator = new HttpBasicAuthenticator("api", "key-3ax6xnjp29jd6fds4gc373sgvjxteol0");
  4. RestRequest request = new RestRequest();
  5. request.AddParameter("domain", "samples.mailgun.org", ParameterType.UrlSegment);
  6. request.Resource = "{domain}/messages";
  7. request.AddParameter("from", "Excited User <me@samples.mailgun.org>");
  8. request.AddParameter("to", "dude@mailgun.net");
  9. request.AddParameter("to", "devs@mailgun.net");
  10. request.AddParameter("subject", "Hello");
  11. request.AddParameter("text", "Testing some Mailgun awesomeness!");
  12. request.Method = Method.POST;
  13. client.Execute(request);
  1. curl -s -k --user api:key-3ax6xnjp29jd6fds4gc373sgvjxteol0 \
  2.     https://api.mailgun.net/v2/samples.mailgun.org/messages \
  3.     -F from='Excited User <me@samples.mailgun.org>' \
  4.     -F to='Dude <dude@mailgun.net>'\
  5.     -F to=devs@mailgun.net \
  6.     -F subject='Hello' \
  7.     -F text='Testing some Mailgun awesomeness!'

Your App with Email in Minutes

Our API makes integrating real Email quick & easy.
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San Francisco, CA 94107
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