diff --git a/routes/openrouter.routes.js b/routes/openrouter.routes.js
index 259349e..6d3de69 100644
--- a/routes/openrouter.routes.js
+++ b/routes/openrouter.routes.js
@@ -26,10 +26,8 @@ router.get('/models', authenticateToken, async (req, res) => {
     const setting = await getOne('SELECT value FROM settings WHERE key = $1', ['openrouter_api_key']);
 
     if (!setting || !setting.value) {
-      return res.status(400).json({
-        error: 'Clé API OpenRouter non configurée',
-        models: []
-      });
+      // Return 200 with empty array to avoid console errors
+      return res.status(200).json([]);
     }
 
     // Appeler l'API OpenRouter pour récupérer les modèles
@@ -93,8 +91,8 @@ router.post('/refresh-models', authenticateToken, requireAdmin, async (req, res)
     const setting = await getOne('SELECT value FROM settings WHERE key = $1', ['openrouter_api_key']);
 
     if (!setting || !setting.value) {
-      return res.status(400).json({
-        error: 'Clé API OpenRouter non configurée',
+      return res.status(200).json({
+        message: 'Clé API OpenRouter non configurée',
         models: []
       });
     }
diff --git a/src/pages/Index.tsx b/src/pages/Index.tsx
index cd8bbbf..e164d59 100644
--- a/src/pages/Index.tsx
+++ b/src/pages/Index.tsx
@@ -552,12 +552,12 @@ const Index = () => {
     }
   }, []);
 
-  // Load models when chatbox opens
+  // Load models when chatbox opens (only if API key is configured)
   useEffect(() => {
-    if (chatOpen && openRouterModels.length === 0) {
+    if (chatOpen && settings.openrouter_api_key && openRouterModels.length === 0) {
       loadOpenRouterModels();
     }
-  }, [chatOpen]);
+  }, [chatOpen, settings.openrouter_api_key]);
 
   // Set default model when models are loaded
   useEffect(() => {