diff --git a/homeassistant/components/withings/config_flow.py b/homeassistant/components/withings/config_flow.py
index cce1c5ee23c..4dd123468a0 100644
--- a/homeassistant/components/withings/config_flow.py
+++ b/homeassistant/components/withings/config_flow.py
@@ -8,8 +8,9 @@ from typing import Any
 import voluptuous as vol
 from withings_api.common import AuthScope
 
+from homeassistant.components.webhook import async_generate_id
 from homeassistant.config_entries import ConfigEntry, OptionsFlowWithConfigEntry
-from homeassistant.const import CONF_TOKEN
+from homeassistant.const import CONF_TOKEN, CONF_WEBHOOK_ID
 from homeassistant.core import callback
 from homeassistant.data_entry_flow import FlowResult
 from homeassistant.helpers import config_entry_oauth2_flow
@@ -77,7 +78,7 @@ class WithingsFlowHandler(
 
             return self.async_create_entry(
                 title=DEFAULT_TITLE,
-                data=data,
+                data={**data, CONF_WEBHOOK_ID: async_generate_id()},
                 options={CONF_USE_WEBHOOK: False},
             )
 
diff --git a/tests/components/withings/test_config_flow.py b/tests/components/withings/test_config_flow.py
index 52a584e2513..d5745ae9bed 100644
--- a/tests/components/withings/test_config_flow.py
+++ b/tests/components/withings/test_config_flow.py
@@ -73,6 +73,7 @@ async def test_full_flow(
     assert "result" in result
     assert result["result"].unique_id == "600"
     assert "token" in result["result"].data
+    assert "webhook_id" in result["result"].data
     assert result["result"].data["token"]["access_token"] == "mock-access-token"
     assert result["result"].data["token"]["refresh_token"] == "mock-refresh-token"