diff --git a/mayan/apps/user_management/api_views.py b/mayan/apps/user_management/api_views.py
index 0039658d19..d4cb4e8fce 100644
--- a/mayan/apps/user_management/api_views.py
+++ b/mayan/apps/user_management/api_views.py
@@ -16,96 +16,127 @@ from .serializers import GroupSerializer, UserSerializer
 
 
 class APIGroupListView(generics.ListCreateAPIView):
-    serializer_class = GroupSerializer
-    queryset = Group.objects.all()
-
-    permission_classes = (MayanPermission,)
     filter_backends = (MayanObjectPermissionsFilter,)
-    mayan_object_permissions = {'GET': [permission_group_view]}
-    mayan_view_permissions = {'POST': [permission_group_create]}
+    mayan_object_permissions = {'GET': (permission_group_view,)}
+    mayan_view_permissions = {'POST': (permission_group_create,)}
+    permission_classes = (MayanPermission,)
+    queryset = Group.objects.all()
+    serializer_class = GroupSerializer
 
     def get(self, *args, **kwargs):
-        """Returns a list of all the groups."""
+        """
+        Returns a list of all the groups.
+        """
+
         return super(APIGroupListView, self).get(*args, **kwargs)
 
     def post(self, *args, **kwargs):
-        """Create a new group."""
+        """
+        Create a new group.
+        """
+
         return super(APIGroupListView, self).post(*args, **kwargs)
 
 
 class APIGroupView(generics.RetrieveUpdateDestroyAPIView):
-    serializer_class = GroupSerializer
-    queryset = Group.objects.all()
-
-    permission_classes = (MayanPermission,)
     mayan_object_permissions = {
-        'GET': [permission_group_view],
-        'PUT': [permission_group_edit],
-        'PATCH': [permission_group_edit],
-        'DELETE': [permission_group_delete]
+        'GET': (permission_group_view,),
+        'PUT': (permission_group_edit,),
+        'PATCH': (permission_group_edit,),
+        'DELETE': (permission_group_delete,)
     }
+    permission_classes = (MayanPermission,)
+    queryset = Group.objects.all()
+    serializer_class = GroupSerializer
 
     def delete(self, *args, **kwargs):
-        """Delete the selected group."""
+        """
+        Delete the selected group.
+        """
+
         return super(APIGroupView, self).delete(*args, **kwargs)
 
     def get(self, *args, **kwargs):
-        """Return the details of the selected group."""
+        """
+        Return the details of the selected group.
+        """
+
         return super(APIGroupView, self).get(*args, **kwargs)
 
     def patch(self, *args, **kwargs):
-        """Partially edit the selected group."""
+        """
+        Partially edit the selected group.
+        """
+
         return super(APIGroupView, self).patch(*args, **kwargs)
 
     def put(self, *args, **kwargs):
-        """Edit the selected group."""
+        """
+        Edit the selected group.
+        """
+
         return super(APIGroupView, self).put(*args, **kwargs)
 
 
 class APIUserListView(generics.ListCreateAPIView):
-    serializer_class = UserSerializer
-    queryset = User.objects.all()
-
-    permission_classes = (MayanPermission,)
     filter_backends = (MayanObjectPermissionsFilter,)
-    mayan_object_permissions = {'GET': [permission_user_view]}
-    mayan_view_permissions = {'POST': [permission_user_create]}
+    mayan_object_permissions = {'GET': (permission_user_view,)}
+    mayan_view_permissions = {'POST': (permission_user_create,)}
+    permission_classes = (MayanPermission,)
+    queryset = User.objects.all()
+    serializer_class = UserSerializer
 
     def get(self, *args, **kwargs):
-        """Returns a list of all the users."""
+        """
+        Returns a list of all the users.
+        """
         return super(APIUserListView, self).get(*args, **kwargs)
 
     def post(self, *args, **kwargs):
-        """Create a new user."""
+        """
+        Create a new user.
+        """
+
         return super(APIUserListView, self).post(*args, **kwargs)
 
 
 class APIUserView(generics.RetrieveUpdateDestroyAPIView):
-    serializer_class = UserSerializer
-    queryset = User.objects.all()
-
-    permission_classes = (MayanPermission,)
     mayan_object_permissions = {
-        'GET': [permission_user_view],
-        'PUT': [permission_user_edit],
-        'PATCH': [permission_user_edit],
-        'DELETE': [permission_user_delete]
+        'GET': (permission_user_view,),
+        'PUT': (permission_user_edit,),
+        'PATCH': (permission_user_edit,),
+        'DELETE': (permission_user_delete,)
     }
+    permission_classes = (MayanPermission,)
+    queryset = User.objects.all()
+    serializer_class = UserSerializer
 
     def delete(self, *args, **kwargs):
-        """Delete the selected user."""
+        """
+        Delete the selected user.
+        """
+
         return super(APIUserView, self).delete(*args, **kwargs)
 
     def get(self, *args, **kwargs):
-        """Return the details of the selected user."""
+        """
+        Return the details of the selected user.
+        """
+
         return super(APIUserView, self).get(*args, **kwargs)
 
     def patch(self, *args, **kwargs):
-        """Partially edit the selected user."""
+        """
+        Partially edit the selected user.
+        """
+
         return super(APIUserView, self).patch(*args, **kwargs)
 
     def put(self, *args, **kwargs):
-        """Edit the selected user."""
+        """
+        Edit the selected user.
+        """
+
         return super(APIUserView, self).put(*args, **kwargs)
 
 
@@ -116,17 +147,29 @@ class APICurrentUserView(generics.RetrieveUpdateDestroyAPIView):
         return self.request.user
 
     def delete(self, *args, **kwargs):
-        """Delete the current user."""
+        """
+        Delete the current user.
+        """
+
         return super(APICurrentUserView, self).delete(*args, **kwargs)
 
     def get(self, *args, **kwargs):
-        """Return the details of the current user."""
+        """
+        Return the details of the current user.
+        """
+
         return super(APICurrentUserView, self).get(*args, **kwargs)
 
     def patch(self, *args, **kwargs):
-        """Partially edit the current user."""
+        """
+        Partially edit the current user.
+        """
+
         return super(APICurrentUserView, self).patch(*args, **kwargs)
 
     def put(self, *args, **kwargs):
-        """Edit the current user."""
+        """
+        Edit the current user.
+        """
+
         return super(APICurrentUserView, self).put(*args, **kwargs)
diff --git a/mayan/apps/user_management/serializers.py b/mayan/apps/user_management/serializers.py
index 2f62677a0b..ec06407bdf 100644
--- a/mayan/apps/user_management/serializers.py
+++ b/mayan/apps/user_management/serializers.py
@@ -3,14 +3,34 @@ from __future__ import unicode_literals
 from django.contrib.auth.models import Group, User
 
 from rest_framework import serializers
+from rest_framework.reverse import reverse
 
 
-class UserSerializer(serializers.ModelSerializer):
+class GroupSerializer(serializers.HyperlinkedModelSerializer):
+    users_count = serializers.SerializerMethodField()
+
     class Meta:
+        extra_kwargs = {
+            'url': {'view_name': 'rest_api:group-detail'}
+        }
+        fields = ('id', 'name', 'url', 'users_count')
+        model = Group
+
+    def get_users_count(self, instance):
+        return instance.user_set.count()
+
+
+class UserSerializer(serializers.HyperlinkedModelSerializer):
+    groups = GroupSerializer(many=True)
+
+    class Meta:
+        extra_kwargs = {
+            'url': {'view_name': 'rest_api:user-detail'}
+        }
         fields = (
-            'id', 'username', 'first_name', 'last_name', 'email', 'is_staff',
-            'is_active', 'is_superuser', 'last_login', 'date_joined',
-            'password'
+            'first_name', 'date_joined', 'email', 'groups', 'id', 'is_staff',
+            'is_active', 'is_superuser', 'last_login', 'last_name',
+            'password', 'url', 'username',
         )
         model = User
         read_only_fields = ('last_login', 'date_joined')
@@ -22,8 +42,3 @@ class UserSerializer(serializers.ModelSerializer):
             user.set_password(attrs['password'])
         return user
 
-
-class GroupSerializer(serializers.ModelSerializer):
-    class Meta:
-        fields = ('id', 'name')
-        model = Group
diff --git a/mayan/apps/user_management/urls.py b/mayan/apps/user_management/urls.py
index 69aaf7b976..3602434c50 100644
--- a/mayan/apps/user_management/urls.py
+++ b/mayan/apps/user_management/urls.py
@@ -57,8 +57,13 @@ urlpatterns = patterns(
 api_urls = patterns(
     '',
     url(r'^groups/$', APIGroupListView.as_view(), name='group-list'),
-    url(r'^groups/(?P<pk>[0-9]+)/$', APIGroupView.as_view(), name='group-detail'),
+    url(
+        r'^groups/(?P<pk>[0-9]+)/$', APIGroupView.as_view(),
+        name='group-detail'
+    ),
     url(r'^users/$', APIUserListView.as_view(), name='user-list'),
     url(r'^users/(?P<pk>[0-9]+)/$', APIUserView.as_view(), name='user-detail'),
-    url(r'^users/current/$', APICurrentUserView.as_view(), name='user-current'),
+    url(
+        r'^users/current/$', APICurrentUserView.as_view(), name='user-current'
+    ),
 )