diff --git a/main.py b/main.py
index 89b5eaa..e847bf9 100644
--- a/main.py
+++ b/main.py
@@ -247,6 +247,32 @@ async def add_once_task(device_id: str, minutes: int, state: bool):
     return {"status": "scheduled", "job_id": job.id, "run_at": run_time.isoformat()}
 
 
+@app.post("/schedules/group/once")
+async def add_group_once_task(group_id: str, minutes: int, state: bool):
+    group = state_manager.groups.get(group_id)
+    if not group:
+        raise HTTPException(status_code=404, detail="Группа не найдена")
+
+    # Собираем все IP ламп группы
+    ips = [
+        state_manager.devices[mac].ip
+        for mac in group.device_ids
+        if mac in state_manager.devices
+    ]
+    run_time = datetime.now(scheduler.timezone) + timedelta(minutes=minutes)
+
+    for ip in ips:
+        scheduler.add_job(
+            execute_lamp_command, "date", run_date=run_time, args=[ip, {"state": state}]
+        )
+    return {
+        "status": "scheduled",
+        "group": group_id,
+        "lamps": len(ips),
+        "run_at": run_time,
+    }
+
+
 @app.get("/schedules/active")
 async def get_active_jobs():
     jobs = []