# Setting: `reforge_captcha_secret_key`

- **Constant:** `ConfigInterface::REFORGE_CAPTCHA_SECRET_KEY`
- **Category:** `security`
- **Type:** `password`
- **Required:** no
- **Sensitive:** yes
- **Validation:** `string|max:255`
- **Placeholder / default hint:** `Enter secret key to change`

## Description

reForge Captcha secret key (server-side only; never expose to the browser)

## Allowed options

_Free-form / no fixed options_

## Change via CLI

```bash
featherpanel saas getsetting reforge_captcha_secret_key
featherpanel saas setsetting reforge_captcha_secret_key "<value>"
```

## Change via API

```http
PATCH /api/admin/settings
Content-Type: application/json

{ "reforge_captcha_secret_key": "<value>" }
```