Developing API with Django REST Framework is so easy. So I was looking for the simple way to quickly document API methods with short descriptions. What I found that it can be done incredibly simple.
You just document views by including docstrings. Describe each included method in docstring. For example:
General ViewSet description
Create listing object with initial data.
Return the given listing.
Update listing object.
Patch listing object.
Delete listing object
permission_classes = [IsAuthenticated]
serializer_class = ListingSerializer
queryset = Listings.objects.all()
Here is result (drf-yasg):