> Portal Navigation:
> 
> - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version.
> - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages).
> - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`).
> - Top-level index of all portals: https://dev.wix.com/docs/llms.txt
> - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt

## Resource: wix-members-backend

## Namespace: authentication

## Article: Introduction

## Article Link: https://dev.wix.com/docs/velo/apis/wix-members-backend/authentication/introduction.md

## Article Content:

# Introduction
To use the Authentication API, import `{authentication}` from the `wix-members-backend` module:

```javascript
import { authentication } from 'wix-members-backend';
```