IsAdminOrReadOnly is a custom Django Rest Framework permission class that allows Admin users to POST and anonymous to GET

permissions.py

from rest_framework.permissions import BasePermission, SAFE_METHODS


class IsAdminOrReadOnly(BasePermission):
    def has_permission(self, request, view):
        if request.method in SAFE_METHODS:
            return True
        else:
            return request.user.is_staff

this code snippet was so helpful. Thanks a lot.