curl --request POST \
  --url https://www.anyfast.ai/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "model": "doubao-seedream-4-0-250828",
  "prompt": "A girl and a cow doll happily riding a roller coaster in an amusement park",
  "image": [
    "https://example.com/ref1.png",
    "https://example.com/ref2.png"
  ],
  "sequential_image_generation": "auto",
  "sequential_image_generation_options": {
    "max_images": 3
  },
  "size": "1024x1024",
  "watermark": false,
  "seed": 123,
  "logo_info": {
    "add_logo": true,
    "position": 123,
    "language": 123,
    "opacity": 123
  }
}
'

{
  "model": "doubao-seedream-4-0-250828",
  "created": 1775029815,
  "data": [
    {
      "url": "https://ark-content-generation-v2-cn-beijing.example.com/image.png",
      "size": "2048x2048"
    }
  ],
  "usage": {
    "generated_images": 1,
    "output_tokens": 16384,
    "total_tokens": 16384
  }
}