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## Resource: Introduction

## Article: Introduction

## Article Link: https://dev.wix.com/docs/api-reference/wix-backoffice/dev-center-platform/apps/introduction.md

## Article Content:

# About the Apps API

The [Apps API](https://dev.wix.com/docs/api-reference/app-management/apps/introduction.md) lets developer tools create and configure Wix apps. Use it to prepare an app's identity and configuration before adding functionality or preparing a release.

With the Apps API, you can:

- Create apps and update their names and installation preferences.
- Retrieve app configuration and assign namespaces and slugs.
- Retrieve app secrets with the required authorization.

## Apps and their building blocks

An app provides the shared identity for its components, permissions, webhooks, dependencies, and versions. Use its `id` when working with these related App Management APIs:

- Components manages pages, widgets, and other app extensions.
- [App Permissions](https://dev.wix.com/docs/api-reference/app-management/app-permissions.md) manages the Wix resources the app can access. Permission changes can take up to 5 minutes to appear across the Wix ecosystem.
- Webhooks manages subscriptions to Wix events.
- Dependencies manages other apps required by the app.
- App Versions manages draft and published versions.

Creating or updating the app's configuration doesn't publish an app version or install the app on a site.

## Before you begin

It's important to note the following points before starting to code:

- Keep app secrets in secure backend storage. Don't include them in frontend code, source control, or logs.
- Get App omits secrets by default. Include `APP_SECRETS` in `additionalFields` to retrieve them with the required authorization.
- App configuration, app publication, and app installation are separate workflows. This API covers app configuration.
- Retain the `app.id` returned when creating an app. This API has no public methods to list or delete apps.
- Apps intended for the Wix App Market should have names of no more than 30 characters. The API accepts up to 50 characters.
- `appUrls.appUri` and `appUrls.redirectUris` configure Advanced OAuth, whose use is highly discouraged. See [Advanced OAuth](https://dev.wix.com/docs/build-apps/develop-your-app/auth/custom-authentication-deprecated.md).
- Unreleased-change flags are calculated automatically, update asynchronously and don't track every change. Permission deletions and component-translation creation events currently aren't reflected in their corresponding flags.

## Use cases

- [Create and configure an app for development](https://dev.wix.com/docs/api-reference/app-management/apps/sample-flows.md).

## Terminology

- App: An extension built for Wix, with its own identity, configuration, and building blocks.
- Display name: The human-readable name shown to users.
- Namespace: An identifier combining an account or company identifier with an app-name component, such as `@example-company/bookings-helper`.
- Slug: A human-readable, URL-friendly identifier for the app.
- Code identifier: An identifier used to reference the app in code. Reserved JavaScript words aren't rejected; choose a non-reserved value when using it as a variable name. Companion apps share the value `companionApp`, so use the app ID when a unique identifier is needed.
- Companion app: An app assigned to a specific site or account.