curl --request GET \
  --url https://www.666api.ai/v1/tasks/{task_id} \
  --header 'Authorization: Bearer <token>'

{
  "request_id": "2ca1c497-f9e0-449d-9a3f-xxxxxx",
  "output": {
    "task_id": "af6efbc0-4bef-4194-8246-xxxxxx",
    "task_status": "SUCCEEDED",
    "submit_time": "2025-09-25 11:07:28.590",
    "scheduled_time": "2025-09-25 11:07:35.349",
    "end_time": "2025-09-25 11:17:11.650",
    "orig_prompt": "一幅都市奇幻艺术的场景。一个充满动感的涂鸦艺术角色。一个由喷漆所画成的少年，正从一面混凝土墙上活过来。他一边用极快的语速演唱一首英文rap，一边摆着一个经典的、充满活力的说唱歌手姿势。场景设定在夜晚一个充满都市感的铁路桥下。灯光来自一盏孤零零的街灯，营造出电影般的氛围，充满高能量和惊人的细节。视频的音频部分完全由他的rap构成，没有其他对话或杂音。",
    "video_url": "https://dashscope-result-sh.oss-cn-shanghai.aliyuncs.com/xxx.mp4?Expires=xxx"
  },
  "usage": {
    "duration": 10,
    "input_video_duration": 0,
    "output_video_duration": 10,
    "video_count": 1,
    "SR": 720
  }
}