Fetch data WooCommerce api

hi
i cant fetech woocommerce api in ionic

error:
Object { data: null, status: -1, headers: headersGetter/<(), config: Object, statusText: “” }

data.js

$http({
            method: 'GET',
            url: url,
            timeout: CONFIG.request_timeout
        }).then(
            function(result) {
                //console.log(result)
                // This callback will be called asynchronously when the response is available.
                last_fetch = result.data['products'].length;
                // Get new data and combine with existing ones, remove duplicates (fail-safe)
                data = _.union(data, result.data['products']);
                deferred.resolve();

            },
            function(result) {
                console.log(result)
                deferred.reject();
            }
        );

        return deferred.promise;

    };

and this error in controllers.js

Was unable to fetch products data from the API.

$scope.loadMoreProducts = function() {

    $rootScope.$broadcast('loading:show');

    ProductsData.getProductsAsync($scope.productPage + 1).then(
        // successCallback
        function() {
            $scope.productPage++;
            $scope.products = ProductsData.getAll();
            $scope.$broadcast('scroll.infiniteScrollComplete');

            $rootScope.$broadcast('loading:hide');
        },
        // errorCallback
        function() {
            $rootScope.$broadcast('loading:hide');
            console.warn("Was unable to fetch products data from the API.");
        }
    );
};

Did you remote debug the problem on the device already?
Follow these instructions here to debug the problem in Safari dev tools: https://ionic.zone/debug/remote-debug-your-app#ios
Follow these instructions here to debug the problem in Chrome dev tools: https://ionic.zone/debug/remote-debug-your-app#android
Look at the console and network tabs for errors.