curl --request POST \
  --url https://api.highwayapi.ai/v3/async/veo-3.1-reverse \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "size": "<string>",
  "prompt": "<string>",
  "seconds": 123,
  "watermark": true,
  "input_images": [
    {}
  ]
}
'

{
  "task_id": "<string>"
}