i got NotFoundHttpException Laravel ajax Request

i got NotFoundHttpException when i am trying to get data using ajax request method "post"

here is routes (web.php)

Route::prefix('shoppingcart')->group(function() {
    Route::middleware(['auth','roles:1,2,3'])->group(function () {

          Route::get('/', 'ShoppingCartController@index')->name('shoppingcart');
        Route::get('/create', 'ShoppingCartController@create')->name('shoppingcart.create');
        Route::post('/store', 'ShoppingCartController@store')->name('shoppingcart.store');
        Route::post('/getProducts/{id}', 'ShoppingCartController@getProducts');
        });     
});

controller

public function getProducts($id){

        $data['products'] = DB::table('products')
        ->join('entity_localizations' , 'entity_localizations.item_id', '=', 'products.id')
        ->select('products.id as id',
        DB::raw('coalesce((entity_localizations.value),products.name) as name'),'products.price as price')
        ->where('entity_localizations.entity_id', '=', Helper::getEntityId("Product")->id)
        ->where('products.product_department_id', '=', $id)
        ->get(); 
        return $data;
    }

index.blade.php js section

$('#result').on('click', function(){
    var val = 3;  
        var _token = '';
        $.ajax({
          type:'POST',
          url:'getProducts/'+val,
          dataType:'JSON',
          data:{_token:_token},
          success: function(data){
              console.log(data); 
            },
          });
    });

via Chebli Mohamed