title: How can I use the MailChimp api to send emails to groups?
body: <p>I would like to group my users by "Newsletter", "Users" and "Members" and send emails out via the API, how can I make that possible: <a href="http://apidocs.mailchimp.com/api/1.3/index.php" rel="nofollow noreferrer">http://apidocs.mailchimp.com/api/1.3/index.php</a></p>
  
  <p><a href="https://stackoverflow.com/questions/7726281/how-to-listsubscribe-in-groups-mailchimp-api-1-3">Adding users to groups</a> seem fairly straight forward, but I can't seem to find how to send to them. Neither <code>createCampaign</code> nor <code>campaignSendNow</code> has any mentions of groups or how to send to them.</p>
  
  <p>Currently I'm handling this by having 3 seperate lists.</p>