ImageGenerationRequest

{
    "model": "gpt-image-2",
    "prompt": "string",
    "n": 1,
    "size": "256x256",
    "quality": "low",
    "response_format": "url",
    "style": "vivid",
    "background": "transparent",
    "output_format": "png",
    "output_compression": 0,
    "moderation": "low",
    "user": "string"
}