diff --git a/rest/python/server/integration_test.py b/rest/python/server/integration_test.py
index 88de62d..485abd0 100644
--- a/rest/python/server/integration_test.py
+++ b/rest/python/server/integration_test.py
@@ -1314,6 +1314,18 @@ def test_profile_publishes_the_webhook_signing_key(self) -> None:
     self.assertIn(jwk, profile.get("signing_keys", []))
     self.assertIn(jwk, profile.get("ucp", {}).get("keys", []))
 
+  def test_profile_publishes_rest_service_schema(self) -> None:
+    """The REST service points to the published OpenAPI document."""
+    with self.client:
+      profile = self.client.get("/.well-known/ucp").json()
+
+    service = profile["ucp"]["services"]["dev.ucp.shopping"][0]
+    version = profile["ucp"]["version"]
+    self.assertEqual(
+      service["schema"],
+      f"https://ucp.dev/{version}/services/shopping/rest.openapi.json",
+    )
+
   def test_version_invalid_format(self) -> None:
     """Tests that UCP-Agent with invalid version format is rejected."""
     with self.client:
diff --git a/rest/python/server/routes/discovery_profile.json b/rest/python/server/routes/discovery_profile.json
index 5c031fe..e0cf122 100644
--- a/rest/python/server/routes/discovery_profile.json
+++ b/rest/python/server/routes/discovery_profile.json
@@ -8,7 +8,7 @@
           "spec": "https://ucp.dev/2026-04-08/specification/overview",
           "transport": "rest",
           "endpoint": "{{ENDPOINT}}",
-          "schema": "https://ucp.dev/2026-04-08/services/shopping/openapi.json"
+          "schema": "https://ucp.dev/2026-04-08/services/shopping/rest.openapi.json"
         }
       ]
     },