> 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: Introduction

## Article: Introduction

## Article Link: https://dev.wix.com/docs/frontend-modules/frontend-modules/mobile/introduction.md

## Article Content:

# Introduction
<blockquote class="important">

__Important:__
+ This API is only relevant for custom widgets in [Branded Apps](https://www.wix.com/app-builder).
+ Custom widgets are not yet available to all users. 
+ This API is in [Developer Preview](https://www.wix.com/velo/reference/api-overview/developer-preview) and is subject to change. 

</blockquote>


 The Wix Mobile API contains functionality for working with your mobile app.