title: Refresh token in Passport.js
body: <p>How do I do this in Passport.js?:</p>
  
  <blockquote>
    <p>When the access token expires, you can use the refresh_token to
    "refresh" your access, and gain another access_token. To use the
    refresh_token you need to do a POST request to our token-endpoint with
    the grant_type set to refresh_token:</p>
  </blockquote>
  
  <pre><code>https://podio.com/oauth/token?grant_type=refresh_token&amp;client_id=YOUR_APP_ID&amp;client_secret=YOUR_APP_SECRET&amp;refresh_token=REFRESH_TOKEN
  </code></pre>