{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/GenerateCoreRequest", "title": "GenerateCoreRequest", "type": "object", "required": [ "prompt" ], "properties": { "prompt": { "type": "string", "maxLength": 10000, "description": "Text describing what you wish to see in the output image." }, "negative_prompt": { "type": "string", "maxLength": 10000, "description": "Text describing elements to exclude from the output image." }, "aspect_ratio": { "type": "string", "enum": [ "16:9", "1:1", "21:9", "2:3", "3:2", "4:5", "5:4", "9:16", "9:21" ], "default": "1:1", "description": "Controls the aspect ratio of the generated image." }, "seed": { "type": "integer", "minimum": 0, "maximum": 4294967294, "default": 0, "description": "A value to control randomness in generation." }, "output_format": { "type": "string", "enum": [ "jpeg", "png", "webp" ], "default": "png", "description": "The output format of the generated image." }, "style_preset": { "type": "string", "description": "An optional style preset to guide the image model towards a particular visual style." } } }