---
title: "Generate Image"
method: POST
path: "/chat/generate-image"
tags: ["chat"]
---

# Generate Image

`POST /chat/generate-image`

## Request

- Base URL: `https://studio-api.meganova.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://studio-api.meganova.ai/chat/generate-image`
- Auth: OAuth 2
  - Password
  - Token URL: `auth/token`

Generate a character image using the MegaNova image generation API

## Request body

- GenerateImageRequest
  - `prompt` string, required
  - `model` string, nullable
  - `negative_prompt` string, nullable
  - `num_steps` integer, nullable
  - `sampling_steps` integer, nullable
  - `num_inference_steps` integer, nullable
  - `guidance_scale` number, nullable
  - `width` integer, nullable
  - `height` integer, nullable
  - `seed` integer, nullable
  - `image` string, nullable
  - `images` string[], nullable
  - `strength` number, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `404`: Not found
- `422`: Validation Error

## Changes

- **2026-09-26** `b57a65c0cc03`: 1 info
  - the `model` request property default value changed from `Bytedance/seedream-3-0-t2i-250415` to `Bytedance/seedream-4-5-251128`

[Operation history](https://skmtc.dev/meganova/apis/meganova-api/changes/chat/generate-image/post.md)

---

[API](https://skmtc.dev/meganova/apis/meganova-api.md) - [All operations](https://skmtc.dev/meganova/apis/meganova-api/llms.txt) - [OpenAPI document](https://skmtc.dev/meganova/apis/meganova-api/revisions/c683584f6060?raw)