curl --request POST \
  --url https://api.highwayapi.ai/v3/seedream-4.5 \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "size": "<string>",
  "image": [
    {}
  ],
  "prompt": "<string>",
  "watermark": true,
  "optimize_prompt_options": {
    "mode": "<string>"
  },
  "sequential_image_generation": "<string>",
  "sequential_image_generation_options": {
    "max_images": 123
  }
}
'

{
  "images": [
    {}
  ]
}