---
title: "ImageGenerationResponseData"
---

## Fields

| Field                                                                                                                                                         | Type                                                                                                                                                          | Required                                                                                                                                                      | Description                                                                                                                                                   | Example                                                                                                                                                       |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `b64_json`                                                                                                                                                    | *str*                                                                                                                                                         | :heavy_check_mark:                                                                                                                                            | Base64-encoded image bytes                                                                                                                                    |                                                                                                                                                               |
| `media_type`                                                                                                                                                  | *Optional[str]*                                                                                                                                               | :heavy_minus_sign:                                                                                                                                            | Media type (MIME type) of the image. Omitted when the output is a standard raster format (PNG). Present for non-raster outputs such as SVG (`image/svg+xml`). | image/svg+xml                                                                                                                                                 |