google/nano-banana

{
  "type": "object",
  "title": "Image Generation Request",
  "required": [
    "prompt"
  ],
  "properties": {
    "name": {
      "description": "User-defined name for the generation (3-30 characters).",
      "type": "string",
      "title": "Name",
      "default": "My Image",
      "minLength": 3,
      "maxLength": 30,
      "x-order": 0
    },
    "prompt": {
      "description": "Text description for the images to generate (40-2000 characters).",
      "type": "string",
      "title": "Prompt",
      "minLength": 40,
      "maxLength": 2000,
      "x-order": 1
    },
    "output_number": {
      "description": "Number of images to generate (currently fixed at 1).",
      "type": "integer",
      "title": "Output Number",
      "default": 1,
      "minimum": 1,
      "maximum": 1,
      "x-order": 2
    },
    "aspect_ratio": {
      "description": "Aspect ratio for the generated images.",
      "type": "string",
      "title": "Aspect Ratio",
      "enum": [
        "match_input_image",
        "1:1",
        "2:3",
        "3:4",
        "4:5",
        "9:16",
        "3:2",
        "4:3",
        "5:4",
        "16:9",
        "21:9"
      ],
      "default": "1:1",
      "x-order": 3
    },
    "image_input": {
      "description": "Array of input image URIs to transform or use as reference. Supports 1-10 images, 2MB per image, 20MB total.",
      "type": "array",
      "title": "Image Input",
      "items": {
        "type": "string",
        "format": "uri"
      },
      "default": [],
      "minItems": 0,
      "maxItems": 10,
      "x-order": 4
    },
    "output_format": {
      "description": "Output image format.",
      "type": "string",
      "title": "Output Format",
      "enum": [
        "png",
        "jpg"
      ],
      "default": "png",
      "x-order": 5
    }
  }
}

{
  "type": "object",
  "title": "Image Generation Response",
  "required": [
    "success",
    "data"
  ],
  "properties": {
    "success": {
      "description": "Indicates whether the request was successful.",
      "type": "boolean",
      "title": "Success"
    },
    "data": {
      "description": "Container object for generation response data.",
      "type": "object",
      "title": "Data",
      "properties": {
        "generationId": {
          "description": "Unique identifier for the generation (UUID v4).",
          "type": "string",
          "format": "uuid",
          "title": "Generation ID"
        },
        "status": {
          "description": "Current status of the generation.",
          "type": "string",
          "enum": [
            "starting",
            "processing",
            "succeeded",
            "failed"
          ],
          "title": "Status",
          "default": "starting"
        },
        "creditCost": {
          "description": "Number of credits deducted for this generation.",
          "type": "integer",
          "title": "Credit Cost"
        }
      },
      "required": [
        "generationId",
        "status",
        "creditCost"
      ]
    }
  }
}