diff --git a/app/api/v1/shop/content_pages.py b/app/api/v1/shop/content_pages.py
index 52ad8aad..1ad27ad4 100644
--- a/app/api/v1/shop/content_pages.py
+++ b/app/api/v1/shop/content_pages.py
@@ -51,7 +51,7 @@ class ContentPageListItem(BaseModel):
 # ============================================================================
 
 
-@router.get("/navigation", response_model=list[ContentPageListItem])
+@router.get("/navigation", response_model=list[ContentPageListItem])  # public
 def get_navigation_pages(request: Request, db: Session = Depends(get_db)):
     """
     Get list of content pages for navigation (footer/header).
diff --git a/app/api/v1/shop/messages.py b/app/api/v1/shop/messages.py
index 085c8fa4..87c6fd6c 100644
--- a/app/api/v1/shop/messages.py
+++ b/app/api/v1/shop/messages.py
@@ -60,7 +60,7 @@ class SendMessageResponse(BaseModel):
 # ============================================================================
 
 
-@router.get("/messages", response_model=ConversationListResponse)
+@router.get("/messages", response_model=ConversationListResponse)  # authenticated
 def list_conversations(
     request: Request,
     skip: int = Query(0, ge=0),
diff --git a/app/api/v1/shop/orders.py b/app/api/v1/shop/orders.py
index a0718c6b..3ba4bcfa 100644
--- a/app/api/v1/shop/orders.py
+++ b/app/api/v1/shop/orders.py
@@ -32,7 +32,7 @@ router = APIRouter()
 logger = logging.getLogger(__name__)
 
 
-@router.post("/orders", response_model=OrderResponse)
+@router.post("/orders", response_model=OrderResponse)  # authenticated
 def place_order(
     request: Request,
     order_data: OrderCreate,