# Localization

## 🌎 Supported Locale Codes

Use the `lang` parameter to localize the **Tyr SDK** UI/content. Supported values follow standard **ISO 639-1** language codes:

{% hint style="success" %}
**Note:** If the `lang` parameter is not provided, the default language will be determined from the **JWT payload**.
{% endhint %}

#### 🚩 Available Languages

<table><thead><tr><th width="172.6640625">Locale Code</th><th>Language</th></tr></thead><tbody><tr><td>🇺🇸 <code>en</code></td><td>English</td></tr><tr><td>🇮🇩 <code>id</code></td><td>Indonesian</td></tr><tr><td>🇯🇵 <code>ja</code></td><td>Japanese</td></tr><tr><td>🇰🇷 <code>ko</code></td><td>Korean</td></tr><tr><td>🇪🇸 <code>es</code></td><td>Spanish</td></tr><tr><td>🇩🇪 <code>de</code></td><td>German</td></tr><tr><td>🇨🇳 <code>zh-Hans-CN</code></td><td>Chinese</td></tr><tr><td>🇫🇷 <code>fr</code></td><td>French</td></tr></tbody></table>

#### Example Usage

You can set the language of the SDK content by appending the `lang` parameter to the URL:

```html
<!-- This URL will display the SDK content in Japanese -->
https://sdk.tyrads.com?token=<TOKEN>&lang=ja
```