curl --request GET \
  --url https://vip.xmsmartlink.com/kling/v1/videos/text2video/{task_id} \
  --header 'Authorization: Bearer <token>'

{
  "code": 0,
  "message": "",
  "task_id": "task_315wt4t0YE3Y4WwN6ygeeGgxbAIBnyfP",
  "request_id": "73f73d37-e27a-4644-8cc1-9753b8c758fe",
  "data": {
    "task_id": "task_315wt4t0YE3Y4WwN6ygeeGgxbAIBnyfP",
    "task_status": "succeed",
    "task_status_msg": "",
    "watermark_info": {
      "enabled": false
    },
    "task_result": {
      "videos": [
        {
          "id": "",
          "url": "http://example.com/aigcVideoGenFile.mp4",
          "watermark_url": "",
          "duration": "5.042"
        }
      ],
      "images": null
    },
    "created_at": 1775872087,
    "updated_at": 1775872159
  }
}