Can I set the Zendesk Chat language from a direct chat link?
Yes, to do so simply add the language code to your direct chat link. For example, to set the chat to show in Spanish, use the language code
es and specify that it's a locale in the URL code:
Replace the subdomain from the URL with your Zendesk subdomain.
For more information about configuring the Chat widget, see the article: Configuring the Chat widget.