---
title: "Update Preferred Locale"
method: PUT
path: "/api/users/preferred-locale"
tags: ["Users"]
---

# Update Preferred Locale

`PUT /api/users/preferred-locale`

## Request

- Base URL: `https://api.apitomcp.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.apitomcp.ai/api/users/preferred-locale`
- Auth: none declared

Persist the user's UI language preference.

## Request body

- PreferredLocaleUpdate
  - `locale` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/apitomcp/apis/api-to-mcp-platform.md) - [All operations](https://skmtc.dev/apitomcp/apis/api-to-mcp-platform/llms.txt) - [OpenAPI document](https://skmtc.dev/apitomcp/apis/api-to-mcp-platform/revisions/32569c7a994c?raw)