diff --git a/lib/data/repositories/api_interface.dart b/lib/data/repositories/api_interface.dart
index 3ab71e8..9b212ec 100644
--- a/lib/data/repositories/api_interface.dart
+++ b/lib/data/repositories/api_interface.dart
@@ -1,5 +1,7 @@
-import 'package:pmu/domain/card.dart';
+import 'package:pmu/domain/models/home.dart';
+
+typedef OnErrorCallback = void Function(String? error);
 
 abstract class ApiInterface {
-  Future<List<CardPostData>?> loadData();
+  Future<HomeData?> loadData({OnErrorCallback? onError});
 }