curl --request POST \
  --url https://ai.alad.com/v1/video/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "happyhorse-1.0-i2v",
  "prompt": "镜头缓缓拉近，画面动起来",
  "image": "https://example.com/first-frame.png",
  "resolution": "720P",
  "ratio": "16:9",
  "duration": 5,
  "watermark": false,
  "seed": 1073741823,
  "parameters": {}
}
'

{
  "id": "asyntask_jwgfhsG0m2aDjLmiiELRf74eoWmss6ya",
  "task_id": "asyntask_jwgfhsG0m2aDjLmiiELRf74eoWmss6ya",
  "object": "video",
  "model": "happyhorse-1.0-i2v",
  "status": "queued",
  "progress": 0,
  "created_at": 1777343862
}