---
title: "Change current language. Argument must be an ISO 639-1 two-letter code."
method: POST
path: "/i18n/change_language"
tags: ["i18n"]
deprecated: true
---

# Change current language. Argument must be an ISO 639-1 two-letter code.

`POST /i18n/change_language`

## Request

- Base URL: `/control` (relative, and the document was published on a file host, not at the API’s origin)
- URL: `/control/i18n/change_language`
- Auth: HTTP basic

> **Deprecated.**

Deprecated: Use `PUT /control/profile` instead.

## Request body

- LanguageSettings: Language settings object.
  - `language` string, required: The current language or the language to set.

## Response `200`

OK.

## Changes

- **2026-07-17** `14ff21aeb363`: 1 breaking, 2 info
  - removed the media type `text/plain` from the request body
  - endpoint deprecated
  - added the media type `application/json` to the request body
- **2023-03-26** `aecca8e1fa4f`: 1 breaking, 2 info
  - removed the media type `application/json` from the request body
  - endpoint reactivated
  - added the media type `text/plain` to the request body

[Operation history](https://skmtc.dev/guardllamanet/apis/adguard-home/changes/i18n/change_language/post.md)

---

[API](https://skmtc.dev/guardllamanet/apis/adguard-home.md) - [All operations](https://skmtc.dev/guardllamanet/apis/adguard-home/llms.txt) - [OpenAPI document](https://skmtc.dev/guardllamanet/apis/adguard-home/revisions/14ff21aeb363?raw)