{
  "model": "bytedance/seedream-5.0-lite",
  "size": "2048x2048",
  "response_format": "b64_json",
  "output_format": "png",
  "watermark": false,
  "prompt": "Create a series of exactly 3 separate square advertising photographs for the same Mercatus AI sage green travel cup in the reference. Maintain the identical cup shape, lid, sage color and small Mercatus AI wordmark in every image, consistent refined editorial photography and soft natural light. Image 1: the cup on pale stone beside one green leaf in a warm ivory studio. Image 2: the cup on a sunlit wooden cafe table beside a croissant. Image 3: the cup on a light linen picnic cloth beside a closed book in a peaceful garden. One complete photograph per output image, not a collage, no extra text.",
  "image": "data:image/png;base64,<base64 bytes of inputs/cup.png>",
  "sequential_image_generation": "auto",
  "sequential_image_generation_options": {
    "max_images": 3
  },
  "stream": false
}