diff --git a/app/Node/NodeController.php b/app/Node/NodeController.php
index 20d534f..fee4d13 100644
--- a/app/Node/NodeController.php
+++ b/app/Node/NodeController.php
@@ -2,6 +2,7 @@
 
 namespace App\Node;
 
+use App\Exceptions\BadRequestException;
 use App\Node\UseCases\BulkCreateNodesRequest;
 use App\Node\NodeRepository;
 use App\Node\UseCases\BulkCreateNodes;
@@ -47,17 +48,10 @@ class NodeController
         CreateNode $createNodeUseCase,
     ): Response {
         $data = json_decode((string) $request->getBody(), true) ?? [];
-        $title = $data['title'] ?? '';
 
-        if (empty($title)) {
-            $response->getBody()->write(json_encode(['error' => 'Title is required']));
-            return $response->withStatus(400)->withHeader('Content-Type', 'application/json');
-        }
-
-        $textId = (int) ($data['textId'] ?? 0);
-        $parentNodeId = isset($data['parentNodeId']) && $data['parentNodeId'] !== null
-            ? (int) $data['parentNodeId']
-            : null;
+        $textId = isset($data['textId']) ? (int) $data['textId'] : null;
+        $title = $data['title'] ?? null;
+        $parentNodeId = isset($data['parentNodeId']) ? (int) $data['parentNodeId'] : null;
 
         try {
             $node = $createNodeUseCase->execute(new CreateNodeRequest(
@@ -65,6 +59,9 @@ class NodeController
                 title: $title,
                 parentNodeId: $parentNodeId,
             ));
+        } catch (BadRequestException $e) {
+            $response->getBody()->write(json_encode(['error' => $e->getMessage()]));
+            return $response->withStatus(400)->withHeader('Content-Type', 'application/json');
         } catch (DomainException $e) {
             $response->getBody()->write(json_encode(['error' => $e->getMessage()]));
             return $response->withStatus(404)->withHeader('Content-Type', 'application/json');