curl -X POST https://zx1.deepwl.net/v1/video/remix \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "MiniMax-H3",
    "task_id": "task_a1b2xxxxx5f6"
  }'

{
  "id": "task_a1b2xxxxx5f6",
  "task_id": "task_a1b2xxxxx5f6",
  "object": "video",
  "model": "MiniMax-H3",
  "status": "queued",
  "progress": 0,
  "created_at": 1785125529
}

{
  "code": "invalid_request",
  "message": "video_id in path or metadata.base_video is required for remix",
  "data": null
}