diff --git a/backend/API/Controllers/ShoppingListController.cs b/backend/API/Controllers/ShoppingListController.cs
index 7db1bd4..b0df2d7 100644
--- a/backend/API/Controllers/ShoppingListController.cs
+++ b/backend/API/Controllers/ShoppingListController.cs
@@ -1,6 +1,7 @@
 
 using API.BusinessLogic;
 using API.Models.ShoppingListModels;
+using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using System.Security.Claims;
 
@@ -17,6 +18,7 @@ namespace API.Controllers
             _shoppingListLogic = shoppingListLogic;
         }
 
+        [Authorize]
         [HttpGet("get")]
         public async Task<IActionResult> ReadShoppingList()
         {
@@ -26,6 +28,7 @@ namespace API.Controllers
             return await _shoppingListLogic.ReadShoppingList(userId);
         }
 
+        [Authorize]
         [HttpPost("add")]
         public async Task<IActionResult> AddItem([FromBody] ShoppingListItemDTO listItemDTO)
         {
@@ -35,6 +38,7 @@ namespace API.Controllers
             return await _shoppingListLogic.AddItemToShoppingList(listItemDTO, userId);
         }
 
+        [Authorize]
         [HttpPut("check")]
         public async Task<IActionResult> CheckItem(int itemId)
         {
@@ -44,6 +48,7 @@ namespace API.Controllers
             return await _shoppingListLogic.CheckItemInShoppingList(userId, itemId);
         }
 
+        [Authorize]
         [HttpPut("update")]
         public async Task<IActionResult> UpdateItem([FromBody] ShoppingListItemDTO listItemDTO, int itemId)
         {
@@ -53,6 +58,7 @@ namespace API.Controllers
             return await _shoppingListLogic.UpdateItemInShoppingList(userId, itemId, listItemDTO);
         }
 
+        [Authorize]
         [HttpDelete("delete")]
         public async Task<IActionResult> DeleteItem(int itemId)
         {
@@ -62,6 +68,7 @@ namespace API.Controllers
             return await _shoppingListLogic.DeleteItemInShoppingList(userId, itemId);
         }
 
+        [Authorize]
         [HttpPost("recipeadd")]
         public async Task<IActionResult> AddARecipesItems(int recipeId)
         {