userausfall/userausfall/rest_api/urls.py

from django.urls import path
from rest_framework import routers

from djeveric.rest_api import ConfirmationView
from userausfall.rest_api.views import UserViewSet

router = routers.DefaultRouter(trailing_slash=True)
router.register(r'users', UserViewSet, basename="user")

urlpatterns = [
    path("confirm", ConfirmationView.as_view())
]

urlpatterns += router.urls