javascript - AngularJS youtube api search error -

when search sent 401(unauthorized) error. error goes away when refresh page whole bunch of times gives error. if open error link in new tab shows formatted data( search results) i'm trying get.

here search function looks like

$scope.search = function () { $http.get('https://www.googleapis.com/youtube/v3/search',{   params: {     key: 'my_api_key_here',     type: 'video',     maxresults : '12',     part: 'id, snippet',     fields: 'items/id,items/snippet/title,items/snippet/description,items/snippet/thumbnails/default,items/snippet/channeltitle',     q: this.query   } }) .success( function (data) {   $scope.search_results = youtubeservice.listresults(data);   $scope.query = ""; }) .error( function (){   $log.info('search error');   $scope.query = ""; }); 

};