> For the complete documentation index, see [llms.txt](https://docs.iadvize.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.iadvize.dev/~/changes/39J6v2tWi3Ms7Me1qEFP/technologies/authenticated-messaging/web-client-side-implementation/how-to-implement-the-customer-authentication-backend-token-provider.md).

# How to implement the customer authentication backend (token provider)?

To set up authentication, see section [Web backend implementation](https://app.gitbook.com/o/JZY4lQs3jDfTFvrnCKnh/s/C3dwvuSeenw12Wd9Vfpf/~/changes/147/technologies/authenticated-messaging/web-backend-implementation)