diff --git a/modoboa/admin/api.py b/modoboa/admin/api.py
index e9a334758..7a1b04e6c 100644
--- a/modoboa/admin/api.py
+++ b/modoboa/admin/api.py
@@ -4,6 +4,7 @@ from django import http
 from django.contrib.contenttypes.models import ContentType
 from django.utils.translation import ugettext as _
 
+from drf_spectacular.utils import extend_schema, extend_schema_view
 from rest_framework import filters, status, viewsets
 from rest_framework.decorators import action
 from rest_framework.exceptions import ParseError
@@ -16,16 +17,22 @@ from modoboa.core import sms_backends
 from . import lib, models, serializers
 
 
+@extend_schema_view(
+    retrieve=extend_schema(
+        description="Retrieve a particular domain",
+        summary="Retrieve a particular domain"
+    ),
+    list=extend_schema(
+        description="Retrieve a list of domains",
+        summary="Retrieve a list of domains"
+    ),
+    create=extend_schema(
+        description="Create a new domain",
+        summary="Create a new domain"
+    )
+)
 class DomainViewSet(viewsets.ModelViewSet):
-    """
-    Domain viewset.
-
-    retrieve: Return the given domain.
-
-    list: Return a list of all existing domains.
-
-    create: Create a new domain instance.
-    """
+    """Domain viewset."""
 
     permission_classes = [IsAuthenticated, DjangoModelPermissions, ]
     serializer_class = serializers.DomainSerializer
diff --git a/modoboa/urls.py b/modoboa/urls.py
index 5e9e1deda..3198d8844 100644
--- a/modoboa/urls.py
+++ b/modoboa/urls.py
@@ -8,7 +8,9 @@ from django.contrib.auth.decorators import login_required
 from django.urls import include, path
 from django.views.i18n import JavaScriptCatalog
 
-from drf_spectacular.views import SpectacularAPIView, SpectacularSwaggerView
+from drf_spectacular.views import (
+    SpectacularAPIView, SpectacularSwaggerView, SpectacularRedocView
+)
 
 from modoboa.admin.views import user as user_views
 from modoboa.core import signals as core_signals, views as core_views
@@ -62,6 +64,8 @@ urlpatterns += [
     path('docs/api/',
          SpectacularSwaggerView.as_view(url_name='schema'),
          name='docs-index'),
+    path('docs/api/redoc/', SpectacularRedocView.as_view(url_name='schema'),
+         name='redoc'),
     path('api/v1/', include("modoboa.urls_api")),
 ]