title: oAuth header error in Garmin API
body: <p>Using GArmin API for delete a user registration giving error</p>
  
  <pre><code>{ errorMessage: 'Unable to read oAuth header' }
  </code></pre>
  
  <p>I am using following API :-</p>
  
  <p><a href="https://healthapi.garmin.com/wellness-api/rest/user/registration" rel="nofollow noreferrer">https://healthapi.garmin.com/wellness-api/rest/user/registration</a></p>
  
  <p>My code are as follow:-</p>
  
  <pre><code>restler.get(accessTokenUrl, {
  
      headers: {'Authorization': 'Bearer ACCESS_TOKEN'}
  
  }).on('complete', function(data) {
    console.log(data);
  
    cb();
  });
  </code></pre>