diff --git a/bookwyrm/models/__init__.py b/bookwyrm/models/__init__.py
index 0c3bf33e..76290416 100644
--- a/bookwyrm/models/__init__.py
+++ b/bookwyrm/models/__init__.py
@@ -25,3 +25,6 @@ from .site import SiteSettings, SiteInvite, PasswordReset
 cls_members = inspect.getmembers(sys.modules[__name__], inspect.isclass)
 activity_models = {c[1].activity_serializer.__name__: c[1] \
     for c in cls_members if hasattr(c[1], 'activity_serializer')}
+
+status_models = [
+    c.__name__ for (_, c) in activity_models.items() if issubclass(c, Status)]
diff --git a/bookwyrm/models/base_model.py b/bookwyrm/models/base_model.py
index 0de61fd1..469a6972 100644
--- a/bookwyrm/models/base_model.py
+++ b/bookwyrm/models/base_model.py
@@ -237,7 +237,9 @@ class OrderedCollectionPageMixin(ActivitypubMixin):
         ).serialize()
 
 
-def to_ordered_collection_page(queryset, remote_id, id_only=False, page=1):
+# pylint: disable=unused-argument
+def to_ordered_collection_page(
+        queryset, remote_id, id_only=False, page=1, **kwargs):
     ''' serialize and pagiante a queryset '''
     paginated = Paginator(queryset, PAGE_LENGTH)
 
diff --git a/bookwyrm/models/user.py b/bookwyrm/models/user.py
index cf6dd3b2..b27ce447 100644
--- a/bookwyrm/models/user.py
+++ b/bookwyrm/models/user.py
@@ -1,6 +1,7 @@
 ''' database schema for user data '''
 from urllib.parse import urlparse
 
+from django.apps import apps
 from django.contrib.auth.models import AbstractUser
 from django.db import models
 from django.dispatch import receiver
@@ -106,9 +107,19 @@ class User(OrderedCollectionPageMixin, AbstractUser):
 
     activity_serializer = activitypub.Person
 
-    def to_outbox(self, **kwargs):
+    def to_outbox(self, filter_type=None, **kwargs):
         ''' an ordered collection of statuses '''
-        queryset = Status.objects.filter(
+        if filter_type:
+            filter_class = apps.get_model(
+                'bookwyrm.%s' % filter_type, require_ready=True)
+            if not issubclass(filter_class, Status):
+                raise TypeError(
+                    'filter_status_class must be a subclass of models.Status')
+            queryset = filter_class.objects
+        else:
+            queryset = Status.objects
+
+        queryset = queryset.filter(
             user=self,
             deleted=False,
             privacy__in=['public', 'unlisted'],
diff --git a/bookwyrm/outgoing.py b/bookwyrm/outgoing.py
index de2a4cbe..aee463c9 100644
--- a/bookwyrm/outgoing.py
+++ b/bookwyrm/outgoing.py
@@ -26,9 +26,12 @@ from bookwyrm.utils import regex
 def outbox(request, username):
     ''' outbox for the requested user '''
     user = get_object_or_404(models.User, localname=username)
+    filter_type = request.GET.get('type')
+    if filter_type not in models.status_models:
+        filter_type = None
 
     return JsonResponse(
-        user.to_outbox(**request.GET),
+        user.to_outbox(**request.GET, filter_type=filter_type),
         encoder=activitypub.ActivityEncoder
     )
 
diff --git a/bookwyrm/tests/test_outgoing.py b/bookwyrm/tests/test_outgoing.py
index b89e75f6..92360034 100644
--- a/bookwyrm/tests/test_outgoing.py
+++ b/bookwyrm/tests/test_outgoing.py
@@ -87,6 +87,28 @@ class Outgoing(TestCase):
         self.assertEqual(data['type'], 'OrderedCollection')
         self.assertEqual(data['totalItems'], 2)
 
+    def test_outbox_filter(self):
+        ''' if we only care about reviews, only get reviews '''
+        models.Review.objects.create(
+            content='look at this', name='hi', rating=1,
+            book=self.book, user=self.local_user)
+        models.Status.objects.create(
+            content='look at this', user=self.local_user)
+
+        request = self.factory.get('', {'type': 'bleh'})
+        result = outgoing.outbox(request, 'mouse')
+        self.assertIsInstance(result, JsonResponse)
+        data = json.loads(result.content)
+        self.assertEqual(data['type'], 'OrderedCollection')
+        self.assertEqual(data['totalItems'], 2)
+
+        request = self.factory.get('', {'type': 'Review'})
+        result = outgoing.outbox(request, 'mouse')
+        self.assertIsInstance(result, JsonResponse)
+        data = json.loads(result.content)
+        self.assertEqual(data['type'], 'OrderedCollection')
+        self.assertEqual(data['totalItems'], 1)
+
 
     def test_handle_follow(self):
         ''' send a follow request '''