Parse.com upload image to imgur

imgur.js

Parse.Cloud.afterSave($className, function(request) {
  var image = request.object.get('image');

  if (image) {
    Parse.Cloud.httpRequest({
      method: 'POST',
      url: 'https://api.imgur.com/3/upload',
      headers: {
        'Content-Type': 'application/x-www-form-urlencoded',
        'Authorization': 'Client-ID ' + $clientId
      },
      body: {
        type: 'url',
        image: image.url()
      },
      success: function(httpResponse) {
        console.log(httpResponse.data.data.link);
        request.object.save({
          'imageUrl': httpResponse.data.data.link
        });
      },
      error: function(error) {
        console.log(error);
      }
    });
  }
});