curl --request GET \
  --url https://api.ttapi.io/happyhorse/api/v1/tasks/{task_id} \
  --header 'TT-API-KEY: <api-key>'

{
  "request_id": "35137489-2862-96cb-b6f2-xxxxxx",
  "output": {
    "task_id": "1469cfc3-3004-4d9e-ab10-xxxxxx",
    "task_status": "SUCCEEDED",
    "submit_time": "2026-04-25 15:03:25.848",
    "scheduled_time": "2026-04-25 15:03:25.884",
    "end_time": "2026-04-25 15:04:05.882",
    "orig_prompt": "Woman in red qipao character1, camera first captures the slim fit and S-curve from side medium shot, then switches to low angle to capture the tassel earrings character3 swaying as she gracefully opens the folding fan character2, finally zooms to facial close-up, freezing her subtle charm as her fingertips lightly touch the fan bone with eyes flowing with emotion, showcasing Oriental elegance from multiple perspectives.",
    "video_url": "https://dashscope-result.oss-cn-beijing.aliyuncs.com/xxxx.mp4"
  },
  "usage": {
    "duration": 5,
    "input_video_duration": 0,
    "output_video_duration": 5,
    "video_count": 1,
    "SR": 720,
    "ratio": "16:9"
  }
}