diff --git a/src/sentry/discover/endpoints/discover_saved_query_starred.py b/src/sentry/discover/endpoints/discover_saved_query_starred.py
new file mode 100644
index 000000000000..107b600cc404
--- /dev/null
+++ b/src/sentry/discover/endpoints/discover_saved_query_starred.py
@@ -0,0 +1,84 @@
+from django.db.models import Q
+from rest_framework import serializers, status
+from rest_framework.request import Request
+from rest_framework.response import Response
+
+from sentry import features
+from sentry.api.api_owners import ApiOwner
+from sentry.api.api_publish_status import ApiPublishStatus
+from sentry.api.base import cell_silo_endpoint
+from sentry.api.bases.organization import OrganizationEndpoint, OrganizationPermission
+from sentry.discover.models import DiscoverSavedQuery, DiscoverSavedQueryStarred
+from sentry.models.organization import Organization
+
+
+class StarQuerySerializer(serializers.Serializer):
+    starred = serializers.BooleanField(required=True)
+    position = serializers.IntegerField(required=False)
+
+    def validate(self, data):
+        if not data["starred"] and "position" in data:
+            raise serializers.ValidationError("Position is only allowed when starring a query.")
+        return data
+
+
+class MemberPermission(OrganizationPermission):
+    scope_map = {
+        "POST": ["member:read", "member:write"],
+    }
+
+
+@cell_silo_endpoint
+class DiscoverSavedQueryStarredEndpoint(OrganizationEndpoint):
+    """
+    Star or unstar a single saved Discover query.
+    """
+
+    publish_status = {
+        "POST": ApiPublishStatus.EXPERIMENTAL,
+    }
+    owner = ApiOwner.DATA_BROWSING
+    permission_classes = (MemberPermission,)
+
+    def has_feature(self, organization, request):
+        return features.has(
+            "organizations:visibility-explore-view", organization, actor=request.user
+        ) and features.has(
+            "organizations:discover-queries-in-all-queries", organization, actor=request.user
+        )
+
+    def post(self, request: Request, organization: Organization, id: int) -> Response:
+        """
+        Update the starred status of a saved Discover query for the current organization member.
+        """
+        if not request.user.is_authenticated:
+            return Response(status=status.HTTP_400_BAD_REQUEST)
+
+        if not self.has_feature(organization, request):
+            return self.respond(status=404)
+
+        serializer = StarQuerySerializer(data=request.data)
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)
+
+        is_starred = serializer.validated_data["starred"]
+
+        try:
+            query = DiscoverSavedQuery.objects.get(
+                Q(is_homepage=False) | Q(is_homepage__isnull=True), id=id, organization=organization
+            )
+        except DiscoverSavedQuery.DoesNotExist:
+            return Response(status=status.HTTP_404_NOT_FOUND)
+
+        if is_starred:
+            if DiscoverSavedQueryStarred.objects.insert_starred_query(
+                organization, request.user.id, query
+            ):
+                return Response(status=status.HTTP_200_OK)
+        else:
+            if DiscoverSavedQueryStarred.objects.delete_starred_query(
+                organization, request.user.id, query
+            ):
+                return Response(status=status.HTTP_200_OK)
+
+        return Response(status=status.HTTP_204_NO_CONTENT)
diff --git a/tests/sentry/discover/endpoints/test_discover_saved_query_starred.py b/tests/sentry/discover/endpoints/test_discover_saved_query_starred.py
new file mode 100644
index 000000000000..809c561931ee
--- /dev/null
+++ b/tests/sentry/discover/endpoints/test_discover_saved_query_starred.py
@@ -0,0 +1,57 @@
+import pytest
+from django.urls import reverse
+
+from sentry.discover.models import DiscoverSavedQuery, DiscoverSavedQueryStarred
+from sentry.testutils.cases import APITestCase
+
+
+@pytest.mark.skip(reason="API not public yet, this line will be removed in future")
+class DiscoverSavedQueryStarredTest(APITestCase):
+    feature_flags = {
+        "organizations:visibility-explore-view": True,
+        "organizations:discover-queries-in-all-queries": True,
+    }
+
+    def setUp(self) -> None:
+        super().setUp()
+        self.login_as(user=self.user)
+        self.org = self.create_organization(owner=self.user)
+        self.project_ids = [
+            self.create_project(organization=self.org).id,
+            self.create_project(organization=self.org).id,
+        ]
+        query = {"fields": ["title"], "conditions": "", "limit": 10}
+
+        model = DiscoverSavedQuery.objects.create(
+            organization=self.org, created_by_id=self.user.id, name="Test query", query=query
+        )
+
+        model.set_projects(self.project_ids)
+
+        self.query_id = model.id
+
+        self.url = reverse(
+            "sentry-api-0-discover-saved-query-starred", args=[self.org.slug, self.query_id]
+        )
+
+    def test_post(self) -> None:
+        with self.feature(self.feature_flags):
+            assert not DiscoverSavedQuery.objects.filter(
+                id__in=DiscoverSavedQueryStarred.objects.filter(
+                    organization=self.org, user_id=self.user.id
+                ).values_list("discover_saved_query_id", flat=True)
+            ).exists()
+            response = self.client.post(self.url, data={"starred": "1"})
+            assert response.status_code == 200, response.content
+            assert DiscoverSavedQuery.objects.filter(
+                id__in=DiscoverSavedQueryStarred.objects.filter(
+                    organization=self.org, user_id=self.user.id
+                ).values_list("discover_saved_query_id", flat=True)
+            ).exists()
+            response = self.client.post(self.url, data={"starred": "0"})
+            assert response.status_code == 200, response.content
+            assert not DiscoverSavedQuery.objects.filter(
+                id__in=DiscoverSavedQueryStarred.objects.filter(
+                    organization=self.org, user_id=self.user.id
+                ).values_list("discover_saved_query_id", flat=True)
+            ).exists()