---
title: "User language constants"
url: "https://help.internetx.com/en/api/core-user-language-constants/"
lang: "en"
section: "API reference — API reference (XML/JSON)"
breadcrumb: "API documentation (JSON/XML) > Enums and constants"
updated: "2023-09-26"
---

# User language constants

## Description

Defines the language of the user.

## Possible values

-   DE = German
-   EN = Englisch
-   ES = Spanish