title: Uber server_token
body: <p>Does Uber server_token expires like access_token ?</p>
  
  <blockquote>
    <p>Note: Access tokens are valid for 30 days. The expiration time is specified in seconds in the ‘expires_in’ key of the token payload.</p>
  </blockquote>
  
  <p>Can't find any documentation on server_token. TIA</p>