---
search:
  tags:
    - account
    - POST
seo:
  description: >-
    Updates the user's preferred language for the application interface.
    Supported… Reference for the POST /account/language endpoint in the Leadtime
    Public API.
sidebar:
  label: Update preferred language
  badge: POST
title: Update preferred language
type: openapi-operation
---
Updates the user's preferred language for the application interface. Supported languages: `en` (English) or `de` (German). This affects the language of UI elements, notifications, and other system messages.

`POST /account/language`