title: How to call an app with no-route from another app in Bluemix?
body: <p>Here is usecase:</p>
  
  <p>I have two apps in Bluemix: app1 and app2</p>
  
  <p>app1 is accessible through the internet using its route (e.g. app1.mybluemix.net)</p>
  
  <p>app2 doesn't have any route to prevent from being accessible through the internet.</p>
  
  <p>app2 may expose a REST API.</p>
  
  <p>How do I call app2 from app1 inside Bluemix?</p>