---
title: "Exposure, brightness & contrast"
method: POST
path: "/vision/exposure"
tags: ["Image Intelligence"]
---

# Exposure, brightness & contrast

`POST /vision/exposure`

## Request

- Base URL: `https://abundanceapis.com`
- URL: `https://abundanceapis.com/vision/exposure`
- Auth: none declared

Returns mean luminance, clipped shadow/highlight percentages, an under/over/balanced label, plus brightness and contrast.

## Request body

- object
  - `url` string: Public image URL (fetched via an SSRF-hardened client).
  - `base64` string: Base64-encoded image (data URI prefix allowed).

## Other responses

- `400`: Bad request

---

[API](https://skmtc.dev/abundanceapis/apis/web-toolbox.md) · [All operations](https://skmtc.dev/abundanceapis/apis/web-toolbox/llms.txt) · [OpenAPI document](https://skmtc.dev/abundanceapis/apis/web-toolbox/revisions/ada2893fef43?raw)