curl --request POST \
  --url https://open.ppt.video/api/v1/generation/vidu/q2 \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "n": 1
}'

{
  "id": "<string>",
  "status": "starting",
  "usage": {
    "total": 0,
    "subscription": 0,
    "permanent": 0
  }
}