old_contents: from django.conf.urls import include, url
  from rest_framework import routers
  from api.views import *  # noqa
  from blacklist_manager.views import *  # noqa
  
  router = routers.DefaultRouter()
  router.register(r'api/campaign', CampaignViewSet)
  router.register(r'api/medium', MediumViewSet)
  router.register(r'api/source', SourceViewSet)
  router.register(r'api/creative', CreativeViewSet)
  router.register(r'api/lob', LOBViewSet)
  router.register(r'api/intent', IntentViewSet)
  router.register(r'api/lifecycle', LifeCycleViewSet)
  router.register(r'api/audience', AudienceViewSet)
  router.register(r'api/lob-xref', LOB_xref_ViewSet)
  router.register(r'api/intent-xref', Intent_xref_ViewSet)
  router.register(r'api/lifecycle-xref', LifeCycle_xref_ViewSet)
  router.register(r'api/audience-xref', Audience_xref_ViewSet)
  router.register(r'api/placement-details', PlacementDetailsViewSet)
  router.register(r'api/placement', PlacementViewSet)
  router.register(r'blacklist/blacklist-entry', BlacklistEntryViewSet)
  router.register(r'blacklist/entries', EntryViewSet)
  
  
  urlpatterns = [
      url(r'^', include(router.urls))
  ]
  
new_contents: from django.conf.urls import include, url
  from rest_framework import routers
  from api.views import *  # noqa
  from blacklist_manager.views import *  # noqa
  
  router = routers.DefaultRouter()
  router.register(r'campaign', CampaignViewSet)
  router.register(r'medium', MediumViewSet)
  router.register(r'source', SourceViewSet)
  router.register(r'creative', CreativeViewSet)
  router.register(r'lob', LOBViewSet)
  router.register(r'intent', IntentViewSet)
  router.register(r'lifecycle', LifeCycleViewSet)
  router.register(r'audience', AudienceViewSet)
  router.register(r'lob-xref', LOB_xref_ViewSet)
  router.register(r'intent-xref', Intent_xref_ViewSet)
  router.register(r'lifecycle-xref', LifeCycle_xref_ViewSet)
  router.register(r'audience-xref', Audience_xref_ViewSet)
  router.register(r'placement-details', PlacementDetailsViewSet)
  router.register(r'placement', PlacementViewSet)
  router.register(r'blacklist/rules', BlacklistEntryViewSet)
  router.register(r'blacklist', EntryViewSet)
  
  
  urlpatterns = [
      url(r'^', include(router.urls))
  ]
  
subject: update api endpoints