diff --git a/cvat/apps/engine/views.py b/cvat/apps/engine/views.py
index 15fd2aae..0c607e7f 100644
--- a/cvat/apps/engine/views.py
+++ b/cvat/apps/engine/views.py
@@ -319,8 +319,6 @@ class ProjectViewSet(viewsets.GenericViewSet, mixins.ListModelMixin,
     iam_organization_field = 'organization'
 
     def get_serializer_class(self):
-        # TODO: fix separation into read and write serializers for requests and responses
-        # probably with drf-rw-serializers
         if self.request.path.endswith('tasks'):
             return TaskReadSerializer
         else:
diff --git a/cvat/apps/organizations/views.py b/cvat/apps/organizations/views.py
index 3e4da2f3..6aaa974c 100644
--- a/cvat/apps/organizations/views.py
+++ b/cvat/apps/organizations/views.py
@@ -31,11 +31,6 @@ from .serializers import (
         responses={
             '200': OrganizationReadSerializer(many=True),
         }),
-    update=extend_schema(
-        summary='Method updates an organization by id',
-        responses={
-            '200': OrganizationWriteSerializer,
-        }),
     partial_update=extend_schema(
         summary='Methods does a partial update of chosen fields in an organization',
         responses={
@@ -102,11 +97,6 @@ class OrganizationViewSet(viewsets.GenericViewSet,
         responses={
             '200': MembershipReadSerializer(many=True),
         }),
-    update=extend_schema(
-        summary='Method updates a membership by id',
-        responses={
-            '200': MembershipWriteSerializer,
-        }),
     partial_update=extend_schema(
         summary='Methods does a partial update of chosen fields in a membership',
         responses={
@@ -201,7 +191,7 @@ class InvitationViewSet(viewsets.GenericViewSet,
         permission = InvitationPermission.create_scope_list(self.request)
         return permission.filter(queryset)
 
-    def perform_create(self, serializer):
+    def perform_create(self, serializer, **kwargs):
         extra_kwargs = {
             'owner': self.request.user,
             'key': get_random_string(length=64),
diff --git a/cvat/apps/webhooks/views.py b/cvat/apps/webhooks/views.py
index b39e1bc0..1e84d338 100644
--- a/cvat/apps/webhooks/views.py
+++ b/cvat/apps/webhooks/views.py
@@ -39,14 +39,18 @@ from .signals import signal_ping, signal_redelivery
     ),
     update=extend_schema(
         summary="Method updates a webhook by id",
-        responses={"200": WebhookWriteSerializer},
+        request=WebhookWriteSerializer,
+        responses={"200": WebhookReadSerializer}, # check WebhookWriteSerializer.to_representation
     ),
     partial_update=extend_schema(
         summary="Methods does a partial update of chosen fields in a webhook",
-        responses={"200": WebhookWriteSerializer},
+        request=WebhookWriteSerializer,
+        responses={"200": WebhookReadSerializer}, # check WebhookWriteSerializer.to_representation
     ),
     create=extend_schema(
-        summary="Method creates a webhook", responses={"201": WebhookWriteSerializer}
+        request=WebhookWriteSerializer,
+        summary="Method creates a webhook",
+        responses={"201": WebhookReadSerializer} # check WebhookWriteSerializer.to_representation
     ),
     destroy=extend_schema(
         summary="Method deletes a webhook",
@@ -65,9 +69,11 @@ class WebhookViewSet(viewsets.ModelViewSet):
     iam_organization_field = "organization"
 
     def get_serializer_class(self):
-        if self.request.path.endswith("redelivery") or self.request.path.endswith(
-            "ping"
-        ):
+        # Early exit for drf-spectacular compatibility
+        if getattr(self, 'swagger_fake_view', False):
+            return WebhookReadSerializer
+
+        if self.request.path.endswith("redelivery") or self.request.path.endswith("ping"):
             return None
         else:
             if self.request.method in SAFE_METHODS:
@@ -164,11 +170,15 @@ class WebhookViewSet(viewsets.ModelViewSet):
         )
         return Response(serializer.data)
 
-    @extend_schema(summary="Method redeliver a specific webhook delivery")
+    @extend_schema(summary="Method redeliver a specific webhook delivery",
+        request=None,
+        responses={200: None}
+    )
     @action(
         detail=True,
         methods=["POST"],
         url_path=r"deliveries/(?P<delivery_id>\d+)/redelivery",
+        serializer_class=None
     )
     def redelivery(self, request, pk, delivery_id):
         delivery = WebhookDelivery.objects.get(webhook_id=pk, id=delivery_id)
@@ -179,6 +189,7 @@ class WebhookViewSet(viewsets.ModelViewSet):
 
     @extend_schema(
         summary="Method send ping webhook",
+        request=None,
         responses={"200": WebhookDeliveryReadSerializer},
     )
     @action(
diff --git a/cvat/settings/base.py b/cvat/settings/base.py
index 52fc7dca..1f1ecfd7 100644
--- a/cvat/settings/base.py
+++ b/cvat/settings/base.py
@@ -577,6 +577,8 @@ SPECTACULAR_SETTINGS = {
         'JobStage': 'cvat.apps.engine.models.StageChoice',
         'StorageType': 'cvat.apps.engine.models.StorageChoice',
         'SortingMethod': 'cvat.apps.engine.models.SortingMethod',
+        'WebhookType': 'cvat.apps.webhooks.models.WebhookTypeChoice',
+        'WebhookContentType': 'cvat.apps.webhooks.models.WebhookContentTypeChoice',
     },
 
     # Coercion of {pk} to {id} is controlled by SCHEMA_COERCE_PATH_PK. Additionally,