diff --git a/homeassistant/components/zwave_js/__init__.py b/homeassistant/components/zwave_js/__init__.py
index b56298e36ba762..2ff4f40a5ad46a 100644
--- a/homeassistant/components/zwave_js/__init__.py
+++ b/homeassistant/components/zwave_js/__init__.py
@@ -741,6 +741,7 @@ def async_on_notification(self, event: dict[str, Any]) -> None:
             ATTR_DOMAIN: DOMAIN,
             ATTR_NODE_ID: notification.node.node_id,
             ATTR_HOME_ID: driver.controller.home_id,
+            ATTR_ENDPOINT: notification.endpoint_idx,
             ATTR_DEVICE_ID: device.id,
             ATTR_COMMAND_CLASS: notification.command_class,
         }
diff --git a/tests/components/zwave_js/test_events.py b/tests/components/zwave_js/test_events.py
index f91250700ddd73..80b179248d8aa0 100644
--- a/tests/components/zwave_js/test_events.py
+++ b/tests/components/zwave_js/test_events.py
@@ -173,6 +173,7 @@ async def test_notifications(
     assert len(events) == 1
     assert events[0].data["home_id"] == client.driver.controller.home_id
     assert events[0].data["node_id"] == 32
+    assert events[0].data["endpoint"] == 0
     assert events[0].data["type"] == 6
     assert events[0].data["event"] == 5
     assert events[0].data["label"] == "Access Control"
@@ -206,6 +207,7 @@ async def test_notifications(
     assert len(events) == 2
     assert events[1].data["home_id"] == client.driver.controller.home_id
     assert events[1].data["node_id"] == 32
+    assert events[0].data["endpoint"] == 0
     assert events[1].data["event_type"] == 5
     assert events[1].data["event_type_label"] == "test1"
     assert events[1].data["data_type"] == 2
@@ -233,6 +235,7 @@ async def test_notifications(
     assert len(events) == 3
     assert events[2].data["home_id"] == client.driver.controller.home_id
     assert events[2].data["node_id"] == 32
+    assert events[0].data["endpoint"] == 0
     assert events[2].data["event_type"] == 4
     assert events[2].data["event_type_label"] == "test1"
     assert events[2].data["direction"] == "up"