{
  "model": "openai/gpt-image-2/edit",
  "input": {
    "image_size": { "width": 1536, "height": 2048 },
    "quality": "high",
    "num_images": 1,
    "output_format": "png"
  },
  "portrait_image_size": { "width": 1600, "height": 2000 },
  "approx_cost_usd": 0.25,
  "note": "image_urls order matters: the person photo first, the garment photo second."
}