Edit in JSFiddle

app.get('/trips', function(req, res) {
    Parse.Cloud.httpRequest({
      url: 'https://api.automatic.com/v1/trips',
      headers: {
        'Authorization': 'token xxx'
      }
    }).then(function(httpResponse) {
      console.log(httpResponse);
      res.end(httpResponse.text);
    }, function(err) {
      console.log(err);
      res.end(err);
    });
});