diff --git a/homeassistant/components/zwave_js/__init__.py b/homeassistant/components/zwave_js/__init__.py
index 06b8214d9411fe..c8503b1f4c6ca6 100644
--- a/homeassistant/components/zwave_js/__init__.py
+++ b/homeassistant/components/zwave_js/__init__.py
@@ -9,6 +9,7 @@
 from typing import Any
 
 from awesomeversion import AwesomeVersion
+import voluptuous as vol
 from zwave_js_server.client import Client as ZwaveClient
 from zwave_js_server.const import CommandClass, RemoveNodeReason
 from zwave_js_server.exceptions import BaseZwaveJSServerError, InvalidServerVersion
@@ -87,6 +88,7 @@
     CONF_ADDON_S2_AUTHENTICATED_KEY,
     CONF_ADDON_S2_UNAUTHENTICATED_KEY,
     CONF_DATA_COLLECTION_OPTED_IN,
+    CONF_INSTALLER_MODE,
     CONF_INTEGRATION_CREATED_ADDON,
     CONF_LR_S2_ACCESS_CONTROL_KEY,
     CONF_LR_S2_AUTHENTICATED_KEY,
@@ -132,12 +134,21 @@
 DATA_DRIVER_EVENTS = "driver_events"
 DATA_START_CLIENT_TASK = "start_client_task"
 
-CONFIG_SCHEMA = cv.config_entry_only_config_schema(DOMAIN)
+CONFIG_SCHEMA = vol.Schema(
+    {
+        DOMAIN: vol.Schema(
+            {
+                vol.Optional(CONF_INSTALLER_MODE, default=False): cv.boolean,
+            }
+        )
+    },
+    extra=vol.ALLOW_EXTRA,
+)
 
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the Z-Wave JS component."""
-    hass.data[DOMAIN] = {}
+    hass.data[DOMAIN] = config.get(DOMAIN, {})
     for entry in hass.config_entries.async_entries(DOMAIN):
         if not isinstance(entry.unique_id, str):
             hass.config_entries.async_update_entry(
diff --git a/homeassistant/components/zwave_js/api.py b/homeassistant/components/zwave_js/api.py
index bd49e85b601a1e..ff0459ddbdd3ab 100644
--- a/homeassistant/components/zwave_js/api.py
+++ b/homeassistant/components/zwave_js/api.py
@@ -83,7 +83,9 @@
     ATTR_PARAMETERS,
     ATTR_WAIT_FOR_RESULT,
     CONF_DATA_COLLECTION_OPTED_IN,
+    CONF_INSTALLER_MODE,
     DATA_CLIENT,
+    DOMAIN,
     EVENT_DEVICE_ADDED_TO_REGISTRY,
     USER_AGENT,
 )
@@ -450,6 +452,7 @@ def async_register_api(hass: HomeAssistant) -> None:
     websocket_api.async_register_command(hass, websocket_hard_reset_controller)
     websocket_api.async_register_command(hass, websocket_node_capabilities)
     websocket_api.async_register_command(hass, websocket_invoke_cc_api)
+    websocket_api.async_register_command(hass, websocket_get_integration_settings)
     hass.http.register_view(FirmwareUploadView(dr.async_get(hass)))
 
 
@@ -2682,3 +2685,25 @@ async def websocket_invoke_cc_api(
             msg[ID],
             result,
         )
+
+
+@callback
+@websocket_api.require_admin
+@websocket_api.websocket_command(
+    {
+        vol.Required(TYPE): "zwave_js/get_integration_settings",
+    }
+)
+def websocket_get_integration_settings(
+    hass: HomeAssistant,
+    connection: ActiveConnection,
+    msg: dict[str, Any],
+) -> None:
+    """Get Z-Wave JS integration wide configuration."""
+    connection.send_result(
+        msg[ID],
+        {
+            # list explicitly to avoid leaking other keys and to set default
+            CONF_INSTALLER_MODE: hass.data[DOMAIN].get(CONF_INSTALLER_MODE, False),
+        },
+    )
diff --git a/homeassistant/components/zwave_js/const.py b/homeassistant/components/zwave_js/const.py
index fd81cd7e7de036..16cf6f748bb941 100644
--- a/homeassistant/components/zwave_js/const.py
+++ b/homeassistant/components/zwave_js/const.py
@@ -25,6 +25,7 @@
 CONF_ADDON_S2_UNAUTHENTICATED_KEY = "s2_unauthenticated_key"
 CONF_ADDON_LR_S2_ACCESS_CONTROL_KEY = "lr_s2_access_control_key"
 CONF_ADDON_LR_S2_AUTHENTICATED_KEY = "lr_s2_authenticated_key"
+CONF_INSTALLER_MODE = "installer_mode"
 CONF_INTEGRATION_CREATED_ADDON = "integration_created_addon"
 CONF_NETWORK_KEY = "network_key"
 CONF_S0_LEGACY_KEY = "s0_legacy_key"
diff --git a/tests/components/zwave_js/test_api.py b/tests/components/zwave_js/test_api.py
index df1adbc98e5c32..0807e9e09a5f2e 100644
--- a/tests/components/zwave_js/test_api.py
+++ b/tests/components/zwave_js/test_api.py
@@ -5,7 +5,7 @@
 from io import BytesIO
 import json
 from typing import Any
-from unittest.mock import PropertyMock, patch
+from unittest.mock import MagicMock, PropertyMock, patch
 
 import pytest
 from zwave_js_server.const import (
@@ -89,11 +89,13 @@
     ATTR_PARAMETERS,
     ATTR_WAIT_FOR_RESULT,
     CONF_DATA_COLLECTION_OPTED_IN,
+    CONF_INSTALLER_MODE,
     DOMAIN,
 )
 from homeassistant.components.zwave_js.helpers import get_device_id
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers import device_registry as dr
+from homeassistant.setup import async_setup_component
 
 from tests.common import MockConfigEntry, MockUser
 from tests.typing import ClientSessionGenerator, WebSocketGenerator
@@ -5163,3 +5165,33 @@ async def test_invoke_cc_api(
     msg = await ws_client.receive_json()
     assert not msg["success"]
     assert msg["error"] == {"code": "NotFoundError", "message": ""}
+
+
+@pytest.mark.parametrize(
+    ("config", "installer_mode"), [({}, False), ({CONF_INSTALLER_MODE: True}, True)]
+)
+async def test_get_integration_settings(
+    config: dict[str, Any],
+    installer_mode: bool,
+    hass: HomeAssistant,
+    client: MagicMock,
+    hass_ws_client: WebSocketGenerator,
+) -> None:
+    """Test that the get_integration_settings WS API call works."""
+    ws_client = await hass_ws_client(hass)
+
+    entry = MockConfigEntry(domain="zwave_js", data={"url": "ws://test.org"})
+    entry.add_to_hass(hass)
+    assert await async_setup_component(hass, DOMAIN, {DOMAIN: config})
+    await hass.async_block_till_done()
+
+    await ws_client.send_json_auto_id(
+        {
+            TYPE: "zwave_js/get_integration_settings",
+        }
+    )
+    msg = await ws_client.receive_json()
+    assert msg["success"]
+    assert msg["result"] == {
+        CONF_INSTALLER_MODE: installer_mode,
+    }