diff --git a/lib/services/inou_api.dart b/lib/services/inou_api.dart
index b914b86..3381293 100644
--- a/lib/services/inou_api.dart
+++ b/lib/services/inou_api.dart
@@ -5,7 +5,14 @@ import 'package:shared_preferences/shared_preferences.dart';
 
 /// inou API client for authentication and data access
 class InouApi {
-  static const String baseUrl = 'https://inou.com';
+  // Dev mode switch - set to false for production
+  static const bool devMode = true;
+  
+  static const String _prodUrl = 'https://inou.com';
+  static const String _devUrl = 'https://dev.inou.com';
+  
+  static String get baseUrl => devMode ? _devUrl : _prodUrl;
+  
   static const String _prefKeySessionToken = 'inou_session_token';
   static const String _prefKeyDossierId = 'inou_dossier_id';