curl --request POST \
  --url https://castar.world/openapi/v2/aigc/video/sora2-ultra/create \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "model": "sora2-ultra",
  "prompt": "<string>",
  "duration": 123,
  "orientation": "portrait",
  "firstImage": "<string>",
  "resolution": "1080p"
}
'

{
  "id": "<string>"
}