diff --git a/api/kiwi_vpn_api/routers/__init__.py b/api/kiwi_vpn_api/routers/__init__.py
index 283056a..25a4dbf 100644
--- a/api/kiwi_vpn_api/routers/__init__.py
+++ b/api/kiwi_vpn_api/routers/__init__.py
@@ -7,11 +7,12 @@ This file: Main API router definition.
 from fastapi import APIRouter
 
 from ..config import Settings
-from . import admin, device, user
+from . import admin, device, service, user
 
 main_router = APIRouter(prefix=f"/{Settings._.api_v1_prefix}")
 
 main_router.include_router(admin.router)
+main_router.include_router(service.router)
 main_router.include_router(device.router)
 main_router.include_router(user.router)
 
diff --git a/api/kiwi_vpn_api/routers/service.py b/api/kiwi_vpn_api/routers/service.py
new file mode 100644
index 0000000..2922829
--- /dev/null
+++ b/api/kiwi_vpn_api/routers/service.py
@@ -0,0 +1,24 @@
+"""
+/service endpoints.
+"""
+
+from fastapi import APIRouter, Depends, HTTPException, status
+
+from ..config import Config
+from ._common import Responses, get_current_config
+
+router = APIRouter(prefix="/service", tags=["service"])
+
+
+@router.put(
+    "/pki/init",
+    responses={
+        status.HTTP_200_OK: Responses.OK,
+        status.HTTP_400_BAD_REQUEST: Responses.NOT_INSTALLED,
+        status.HTTP_403_FORBIDDEN: Responses.NEEDS_PERMISSION,
+    },
+)
+async def init_pki(
+    _: Config = Depends(get_current_config),
+) -> None:
+    pass