title: Heroku and sendgrid - how to get it wired together now?
body: <p>Some time back I set up a Ruby-onRails app with sendgrid and heroku.
  I followed a tutorial where I had to:</p>
  
  <ul>
  <li>Set Credentials for Sendgrid via the webpage (herokuapp > sendgrid addon > settings > Credentials)</li>
  <li>Set SENDGRID_USERNAME and SENGRID_PASSWORD as environment variables in heroku.</li>
  <li>Refer to the SENDGRID_USERNAME and SENDGRID_PASSWORD in my rails application.</li>
  </ul>
  
  <p>Fine. Or so I thought.
  Now I'm setting up a new app, and sendgrid has removed the "Credentials".</p>
  
  <p>I have a gut feeling something is being created automatically for me, but how can I get my fingers on it and tie it together with my code? 
  Are there some magic environment variable already available for me that I shall rather use in my code? </p>
  
  <p>When I look at (the web) herokuapp > sendgrid add-on > Settings > Account details I see that there is a username and a password that is automatically generated, but how can I see what that auto-created password is so that I can get it into a heroku ENV variable? </p>
  
  <p>Thanks for any help - I feel a bit lost here...</p>