curl --request POST \
  --url https://castar.world/openapi/v2/aigc/video/veo-3.1/create \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "model": "veo-3.1",
  "prompt": "<string>",
  "feature": {
    "generationType": "Text2Video"
  },
  "outputCount": 1,
  "aspectRatio": "16:9",
  "duration": 8,
  "resolution": "720p",
  "negativePrompt": "<string>",
  "generateAudio": false
}
'

{
  "id": "<string>"
}