diff --git a/djadmin2/models.py b/djadmin2/models.py
index a0b40a5..f7e50bd 100644
--- a/djadmin2/models.py
+++ b/djadmin2/models.py
@@ -108,6 +108,9 @@ class ModelAdmin2(BaseAdmin2):
     detail_view = views.ModelDetailView
     delete_view = views.ModelDeleteView
 
+    # API configuration
+    api_serializer_class = None
+
     # API Views
     api_list_view = apiviews.ListCreateAPIView
     api_detail_view = apiviews.RetrieveUpdateDestroyAPIView
@@ -131,6 +134,13 @@ class ModelAdmin2(BaseAdmin2):
             'modeladmin': self,
         }
 
+    def get_default_api_view_kwargs(self):
+        kwargs = self.get_default_view_kwargs()
+        kwargs.update({
+            'serializer_class': self.api_serializer_class,
+        })
+        return kwargs
+
     def get_prefixed_view_name(self, view_name):
         return '{}_{}_{}'.format(self.app_label, self.model_name, view_name)
 
@@ -157,24 +167,18 @@ class ModelAdmin2(BaseAdmin2):
     def get_delete_kwargs(self):
         return self.get_default_view_kwargs()
 
-    def get_api_index_kwargs(self):
-        return self.get_default_view_kwargs()
-
-    def get_api_detail_kwargs(self):
-        return self.get_default_view_kwargs()
-
     def get_index_url(self):
         return reverse('admin2:{}'.format(self.get_prefixed_view_name('index')))
 
     def get_api_list_kwargs(self):
-        kwargs = self.get_default_view_kwargs()
+        kwargs = self.get_default_api_view_kwargs()
         kwargs.update({
             'paginate_by': self.list_per_page,
         })
         return kwargs
 
     def get_api_detail_kwargs(self):
-        return self.get_default_view_kwargs()
+        return self.get_default_api_view_kwargs()
 
     def get_urls(self):
         return patterns('',
diff --git a/example/blog/admin2.py b/example/blog/admin2.py
index 8367587..403e11f 100644
--- a/example/blog/admin2.py
+++ b/example/blog/admin2.py
@@ -2,21 +2,43 @@
 # Import your custom models
 from .models import Post, Comment
 from django.contrib.auth.forms import UserCreationForm, UserChangeForm
-from django.contrib.auth.models import Group, Permission, User
+from django.contrib.auth.models import Group, User
+from rest_framework.relations import PrimaryKeyRelatedField
 
 
 import djadmin2
 from djadmin2.models import ModelAdmin2
+from djadmin2.apiviews import Admin2APISerializer
+
+
+class GroupSerializer(Admin2APISerializer):
+    permissions = PrimaryKeyRelatedField(many=True)
+
+    class Meta:
+        model = Group
+
+
+class GroupAdmin2(ModelAdmin2):
+    api_serializer_class = GroupSerializer
+
+
+class UserSerializer(Admin2APISerializer):
+    user_permissions = PrimaryKeyRelatedField(many=True)
+
+    class Meta:
+        model = User
+        exclude = ('passwords',)
 
 
 class UserAdmin2(ModelAdmin2):
     create_form_class = UserCreationForm
     update_form_class = UserChangeForm
 
+    api_serializer_class = UserSerializer
+
 
 #  Register each model with the admin
 djadmin2.default.register(Post)
 djadmin2.default.register(Comment)
 djadmin2.default.register(User, UserAdmin2)
-djadmin2.default.register(Permission)
-djadmin2.default.register(Group)
+djadmin2.default.register(Group, GroupAdmin2)