diff --git a/awx/api/serializers.py b/awx/api/serializers.py
index 4a5506669b..c494e8c473 100644
--- a/awx/api/serializers.py
+++ b/awx/api/serializers.py
@@ -131,7 +131,7 @@ class BaseSerializerMetaclass(serializers.SerializerMetaclass):
     '''
 
     @classmethod
-    def _update_meta(self, base, meta, other=None):
+    def _update_meta(cls, base, meta, other=None):
         for attr in dir(other):
             if attr.startswith('_'):
                 continue
@@ -679,6 +679,14 @@ class ProjectPlaybooksSerializer(ProjectSerializer):
         return ret.get('playbooks', [])
 
 
+class ProjectUpdateViewSerializer(ProjectSerializer):
+
+    can_update = serializers.BooleanField(source='can_update', read_only=True)
+
+    class Meta:
+        fields = ('can_update',)
+
+
 class ProjectUpdateSerializer(UnifiedJobSerializer, ProjectOptionsSerializer):
 
     class Meta:
@@ -699,6 +707,14 @@ class ProjectUpdateListSerializer(ProjectUpdateSerializer, UnifiedJobListSeriali
     pass
 
 
+class ProjectUpdateCancelSerializer(ProjectUpdateSerializer):
+
+    can_cancel = serializers.BooleanField(source='can_cancel', read_only=True)
+
+    class Meta:
+        fields = ('can_cancel',)
+
+
 class BaseSerializerWithVariables(BaseSerializer):
 
     def validate_variables(self, attrs, source):
@@ -744,6 +760,13 @@ class InventorySerializer(BaseSerializerWithVariables):
         return ret
 
 
+class InventoryScriptSerializer(InventorySerializer):
+
+    class Meta:
+        fields = ('id',)
+        exclude = ('id',)
+
+
 class HostSerializer(BaseSerializerWithVariables):
 
     class Meta:
@@ -1064,6 +1087,14 @@ class InventorySourceSerializer(UnifiedJobTemplateSerializer, InventorySourceOpt
         return ret
 
 
+class InventorySourceUpdateSerializer(InventorySourceSerializer):
+
+    can_update = serializers.BooleanField(source='can_update', read_only=True)
+
+    class Meta:
+        fields = ('can_update',)
+
+
 class InventoryUpdateSerializer(UnifiedJobSerializer, InventorySourceOptionsSerializer):
 
     class Meta:
@@ -1084,6 +1115,14 @@ class InventoryUpdateListSerializer(InventoryUpdateSerializer, UnifiedJobListSer
     pass
 
 
+class InventoryUpdateCancelSerializer(InventoryUpdateSerializer):
+
+    can_cancel = serializers.BooleanField(source='can_cancel', read_only=True)
+
+    class Meta:
+        fields = ('can_cancel',)
+
+
 class TeamSerializer(BaseSerializer):
 
     class Meta:
@@ -1355,6 +1394,15 @@ class JobSerializer(UnifiedJobSerializer, JobOptionsSerializer):
             ret['job_template'] = None
         return ret
 
+
+class JobCancelSerializer(JobSerializer):
+
+    can_cancel = serializers.BooleanField(source='can_cancel', read_only=True)
+
+    class Meta:
+        fields = ('can_cancel',)
+
+
 class SystemJobTemplateSerializer(UnifiedJobTemplateSerializer):
 
     class Meta:
diff --git a/awx/api/views.py b/awx/api/views.py
index 893a1be245..a3c334d9c1 100644
--- a/awx/api/views.py
+++ b/awx/api/views.py
@@ -721,18 +721,12 @@ class ProjectUpdatesList(SubListAPIView):
     relationship = 'project_updates'
     new_in_13 = True
 
-class ProjectUpdateView(GenericAPIView):
+class ProjectUpdateView(RetrieveAPIView):
 
     model = Project
+    serializer_class = ProjectUpdateViewSerializer
     new_in_13 = True
 
-    def get(self, request, *args, **kwargs):
-        obj = self.get_object()
-        data = dict(
-            can_update=obj.can_update,
-        )
-        return Response(data)
-
     def post(self, request, *args, **kwargs):
         obj = self.get_object()
         if obj.can_update:
@@ -753,19 +747,13 @@ class ProjectUpdateDetail(RetrieveDestroyAPIView):
     serializer_class = ProjectUpdateSerializer
     new_in_13 = True
 
-class ProjectUpdateCancel(GenericAPIView):
+class ProjectUpdateCancel(RetrieveAPIView):
 
     model = ProjectUpdate
+    serializer_class = ProjectUpdateCancelSerializer
     is_job_cancel = True
     new_in_13 = True
 
-    def get(self, request, *args, **kwargs):
-        obj = self.get_object()
-        data = dict(
-            can_cancel=obj.can_cancel,
-        )
-        return Response(data)
-
     def post(self, request, *args, **kwargs):
         obj = self.get_object()
         if obj.can_cancel:
@@ -1198,6 +1186,7 @@ class GroupVariableData(BaseVariableData):
 class InventoryScriptView(RetrieveAPIView):
 
     model = Inventory
+    serializer_class = InventoryScriptSerializer
     authentication_classes = [JobTaskAuthentication] + \
                              api_settings.DEFAULT_AUTHENTICATION_CLASSES
     permission_classes = (JobTaskPermission,)
@@ -1285,6 +1274,7 @@ class InventoryScriptView(RetrieveAPIView):
 class InventoryTreeView(RetrieveAPIView):
 
     model = Inventory
+    serializer_class = GroupTreeSerializer
     filter_backends = ()
     new_in_13 = True
 
@@ -1400,19 +1390,13 @@ class InventorySourceUpdatesList(SubListAPIView):
     relationship = 'inventory_updates'
     new_in_14 = True
 
-class InventorySourceUpdateView(GenericAPIView):
+class InventorySourceUpdateView(RetrieveAPIView):
 
     model = InventorySource
+    serializer_class = InventorySourceUpdateSerializer
     is_job_start = True
     new_in_14 = True
 
-    def get(self, request, *args, **kwargs):
-        obj = self.get_object()
-        data = dict(
-            can_update=obj.can_update,
-        )
-        return Response(data)
-
     def post(self, request, *args, **kwargs):
         obj = self.get_object()
         if obj.can_update:
@@ -1431,19 +1415,13 @@ class InventoryUpdateDetail(RetrieveDestroyAPIView):
     serializer_class = InventoryUpdateSerializer
     new_in_14 = True
 
-class InventoryUpdateCancel(GenericAPIView):
+class InventoryUpdateCancel(RetrieveAPIView):
 
     model = InventoryUpdate
+    serializer_class = InventoryUpdateCancelSerializer
     is_job_cancel = True
     new_in_14 = True
 
-    def get(self, request, *args, **kwargs):
-        obj = self.get_object()
-        data = dict(
-            can_cancel=obj.can_cancel,
-        )
-        return Response(data)
-
     def post(self, request, *args, **kwargs):
         obj = self.get_object()
         if obj.can_cancel:
@@ -1475,6 +1453,7 @@ class JobTemplateDetail(RetrieveUpdateDestroyAPIView):
 class JobTemplateLaunch(GenericAPIView):
 
     model = JobTemplate
+    # FIXME: Add serializer class to define fields in OPTIONS request!
     is_job_start = True
 
     def get(self, request, *args, **kwargs):
@@ -1524,6 +1503,7 @@ class JobTemplateSchedulesList(SubListCreateAPIView):
 class JobTemplateSurveySpec(GenericAPIView):
 
     model = JobTemplate
+    # FIXME: Add serializer class to define fields in OPTIONS request!
 
     def get(self, request, *args, **kwargs):
         obj = self.get_object()
@@ -1582,6 +1562,7 @@ class JobTemplateActivityStreamList(SubListAPIView):
 class JobTemplateCallback(GenericAPIView):
 
     model = JobTemplate
+    # FIXME: Add serializer class to define fields in OPTIONS request!
     permission_classes = (JobTemplateCallbackPermission,)
 
     @csrf_exempt
@@ -1753,6 +1734,7 @@ class SystemJobTemplateDetail(RetrieveAPIView):
 class SystemJobTemplateLaunch(GenericAPIView):
 
     model = SystemJobTemplate
+    # FIXME: Add serializer class to define fields in OPTIONS request!
 
     def get(self, request, *args, **kwargs):
         return Response({})
@@ -1825,6 +1807,7 @@ class JobActivityStreamList(SubListAPIView):
 class JobStart(GenericAPIView):
 
     model = Job
+    # FIXME: Add serializer class to define fields in OPTIONS request!
     is_job_start = True
 
     def get(self, request, *args, **kwargs):
@@ -1851,18 +1834,12 @@ class JobStart(GenericAPIView):
         else:
             return self.http_method_not_allowed(request, *args, **kwargs)
 
-class JobCancel(GenericAPIView):
+class JobCancel(RetrieveAPIView):
 
     model = Job
+    serializer_class = JobCancelSerializer
     is_job_cancel = True
 
-    def get(self, request, *args, **kwargs):
-        obj = self.get_object()
-        data = dict(
-            can_cancel=obj.can_cancel,
-        )
-        return Response(data)
-
     def post(self, request, *args, **kwargs):
         obj = self.get_object()
         if obj.can_cancel:
@@ -1874,6 +1851,7 @@ class JobCancel(GenericAPIView):
 class JobRelaunch(GenericAPIView):
 
     model = Job
+    # FIXME: Add serializer class to define fields in OPTIONS request!
 
     @csrf_exempt
     @transaction.non_atomic_requests