---
title: "POST /ai/upscale"
method: POST
path: "/ai/upscale"
tags: ["/ai/"]
---

# POST /ai/upscale

`POST /ai/upscale`

## Request body

- AiUpscaleImageRequest
  - `image` string, required — Image in base64
  - `width` number, required — Width of the input image
  - `height` number, required — Height of the input image
  - `scale` 2 | 4, required — Upscale factor

## Response `201`

The request has been accepted and the output is generating (ZIP attachment).

## Other responses

- `400` — A validation error occured.
- `401` — Access Token is incorrect.
- `402` — An active subscription is required to access this endpoint.
- `409` — A conflict error occured.
- `500` — An unknown error occured.

---

[API](https://skmtc.net/novelai/apis/novelai-primary-api.md) · [All operations](https://skmtc.net/novelai/apis/novelai-primary-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/novelai/novelai-primary-api/revisions/327b3674db26/schema)