---
title: "gpt-image-2.5-sunburst-image-to-image (best)"
method: POST
path: "/api/v1/gpt-image-2.5-sunburst-image-to-image"
tags: ["Image: Edit & Reference"]
---

# gpt-image-2.5-sunburst-image-to-image (best)

`POST /api/v1/gpt-image-2.5-sunburst-image-to-image`

## Request

- Base URL: `https://api.muapi.ai`
- URL: `https://api.muapi.ai/api/v1/gpt-image-2.5-sunburst-image-to-image`
- Auth: one of:
  - API key in header `x-api-key`
  - OAuth 2 (client credentials, token URL `https://api.muapi.ai/oauth/token`)

Edit images using GPT-Image-2.5 Sunburst (Sep 2026 release), the higher-precision tier for detailed creative edits. Input: source image(s), edit instruction. Output: edited image up to 4K. Use for: premium single-edit precision work.

## Query parameters

- `webhook` string
- `team_id` integer, nullable

## Headers

- `x-api-key` string
- `x-embed-code` string, nullable
- `x-agent-embed-code` string, nullable
- `x-whitelabel-studio` string, nullable
- `authorization` string, nullable

## Request body

- GptImage25I2IRequest
  - `prompt` string, required
  - `images_list` string[], required
  - `aspect_ratio` 'auto' | '1:1' | '3:2' | '2:3' | '4:3' | '3:4' | '16:9' | '9:16' | '21:9' | '27:16' | '16:27' | '9:8' | '8:9'
  - `resolution` '1K' | '2K' | '4K'
  - `quality` 'low' | 'medium' | 'high' | 'xhigh' | 'max'
  - `webhook_url` string, uri, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/muapi/apis/muapi-api.md) · [All operations](https://skmtc.dev/muapi/apis/muapi-api/llms.txt) · [OpenAPI document](https://skmtc.dev/muapi/apis/muapi-api/revisions/e4b7374381e5?raw)