title: Integrating Google Calendar with Django and allauth
body: <p>i have implemented the authentication using allauth authentcation that is allowing me to logg in with google.It is successfully logging in .Now i want to work with  <strong>Google Calendar</strong> and enabled the calendar API from developer console too.I dont know how to go on with it. When i log in through google also ask to allow acces to google calendar but i dont know how to get the list of event.When i tried the endpoint provided by Google(<a href="https://www.googleapis.com/calendar/v3/calendars/calendarId/acl" rel="nofollow noreferrer">https://www.googleapis.com/calendar/v3/calendars/calendarId/acl</a>) then its returns:</p>
  <pre><code>{
  &quot;error&quot;: {
      &quot;code&quot;: 401,
      &quot;message&quot;: &quot;Request is missing required authentication credential. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.&quot;,
      &quot;errors&quot;: [
          {
              &quot;message&quot;: &quot;Login Required.&quot;,
              &quot;domain&quot;: &quot;global&quot;,
              &quot;reason&quot;: &quot;required&quot;,
              &quot;location&quot;: &quot;Authorization&quot;,
              &quot;locationType&quot;: &quot;header&quot;
          }
      ],
      &quot;status&quot;: &quot;UNAUTHENTICATED&quot;
  }
  </code></pre>
  <p>}</p>