title: How to get the Stack Overflow reputation of a specific user?
body: <p>I am trying to display the Stack Overflow reputation of an user in my project. I have the user email. So with user email as input can i get the user's Stack Overflow reputation?</p>
  
  <p>Now i tried using Javascript SDK. Used authenticate method of Stack Overflow. In this case , user must login into Stack Overflow, then i got user's Stack Overflow id and reputation.</p>
  
  <ol>
  <li>Can i get the Stack Overflow reputation of the user passing his emailid without authentication?</li>
  <li>Everytime when his reputation is changed in Stack Overflow, is there any option for me to auto update his Stack Overflow reputation value in my site also?</li>
  </ol>