diff --git a/wagtail_ab_testing/test/tests/test_views.py b/wagtail_ab_testing/test/tests/test_views.py
index 5ab697d..bfd19ca 100644
--- a/wagtail_ab_testing/test/tests/test_views.py
+++ b/wagtail_ab_testing/test/tests/test_views.py
@@ -1,8 +1,9 @@
 import datetime
 
+from django.contrib.auth import get_user_model
 from django.urls import reverse
 from freezegun import freeze_time
-from rest_framework.test import APITestCase
+from rest_framework.test import APIClient, APITestCase
 from wagtail.core.models import Page
 
 from wagtail_ab_testing.models import AbTest
@@ -73,6 +74,26 @@ def test_register_participant_finish(self):
         self.ab_test.refresh_from_db()
         self.assertEqual(self.ab_test.status, AbTest.STATUS_FINISHED)
 
+    def test_register_participant_authenticated_user(self):
+        # By default, Django REST framework will enforce CSRF checks on authenticated users
+        # We disable these by removing all authentication/permission classes from the view
+        client = APIClient(enforce_csrf_checks=True)
+
+        User = get_user_model()
+        User.objects.create_user('foo', 'myemail@test.com', 'bar')
+        client.login(username='foo', password='bar')
+
+        response = client.post(
+            reverse('wagtail_ab_testing:register_participant'),
+            {
+                'test_id': self.ab_test.id,
+                'version': 'control',
+            }
+        )
+
+        # Shouldn't give 403 error
+        self.assertEqual(response.status_code, 200)
+
 
 @freeze_time('2020-11-04T22:37:00Z')
 class TestGoalReached(APITestCase):
@@ -146,3 +167,23 @@ def test_log_conversion_for_something_else(self):
 
         # This shouldn't create a history log
         self.assertFalse(self.ab_test.hourly_logs.exists())
+
+    def test_log_conversion_authenticated_user(self):
+        # By default, Django REST framework will enforce CSRF checks on authenticated users
+        # We disable these by removing all authentication/permission classes from the view
+        client = APIClient(enforce_csrf_checks=True)
+
+        User = get_user_model()
+        User.objects.create_user('foo', 'myemail@test.com', 'bar')
+        client.login(username='foo', password='bar')
+
+        response = client.post(
+            reverse('wagtail_ab_testing:goal_reached', args=[]),
+            {
+                'test_id': self.ab_test.id,
+                'version': 'control'
+            }
+        )
+
+        # Shouldn't give 403 error
+        self.assertEqual(response.status_code, 200)
diff --git a/wagtail_ab_testing/views.py b/wagtail_ab_testing/views.py
index a389ae2..21bf3de 100644
--- a/wagtail_ab_testing/views.py
+++ b/wagtail_ab_testing/views.py
@@ -14,7 +14,7 @@
 import django_filters
 from django_filters.constants import EMPTY_VALUES
 from rest_framework import status
-from rest_framework.decorators import api_view
+from rest_framework.decorators import api_view, authentication_classes, permission_classes
 from rest_framework.response import Response
 from wagtail.admin import messages
 from wagtail.admin.action_menu import ActionMenuItem
@@ -435,6 +435,8 @@ def get_queryset(self):
 
 @csrf_exempt
 @api_view(['POST'])
+@authentication_classes([])
+@permission_classes([])
 def register_participant(request):
     test_id = request.data.get('test_id', None)
     if test_id is None:
@@ -467,6 +469,8 @@ def register_participant(request):
 
 @csrf_exempt
 @api_view(['POST'])
+@authentication_classes([])
+@permission_classes([])
 def goal_reached(request):
     test_id = request.data.get('test_id', None)
     if test_id is None: