diff --git a/src/Controller/MarkAllReadController.php b/src/Controller/MarkAllReadController.php
new file mode 100644
index 0000000..ece0497
--- /dev/null
+++ b/src/Controller/MarkAllReadController.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller;
+
+use App\Entity\User;
+use App\Repository\NotificationRepository;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+class MarkAllReadController extends AbstractController
+{
+    public function __construct(
+        private readonly NotificationRepository $notificationRepository,
+    ) {}
+
+    #[Route('/api/notifications/mark-all-read', name: 'notification_mark_all_read', methods: ['POST'])]
+    #[IsGranted('IS_AUTHENTICATED_FULLY')]
+    public function __invoke(): Response
+    {
+        /** @var User $user */
+        $user = $this->getUser();
+
+        $this->notificationRepository->markAllReadByUser($user);
+
+        return new Response(null, Response::HTTP_NO_CONTENT);
+    }
+}
diff --git a/src/Controller/NotificationUnreadCountController.php b/src/Controller/NotificationUnreadCountController.php
new file mode 100644
index 0000000..dc3669f
--- /dev/null
+++ b/src/Controller/NotificationUnreadCountController.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Controller;
+
+use App\Entity\User;
+use App\Repository\NotificationRepository;
+use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\JsonResponse;
+use Symfony\Component\Routing\Attribute\Route;
+use Symfony\Component\Security\Http\Attribute\IsGranted;
+
+class NotificationUnreadCountController extends AbstractController
+{
+    public function __construct(
+        private readonly NotificationRepository $notificationRepository,
+    ) {}
+
+    #[Route('/api/notifications/unread-count', name: 'notification_unread_count', methods: ['GET'])]
+    #[IsGranted('IS_AUTHENTICATED_FULLY')]
+    public function __invoke(): JsonResponse
+    {
+        /** @var User $user */
+        $user = $this->getUser();
+
+        $count = $this->notificationRepository->countUnreadByUser($user);
+
+        return new JsonResponse(['count' => $count]);
+    }
+}