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Get to know our frameworks

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Take full control over your app's tech stack, deployment, and hosting.

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Kickstart app development and get a practical foundation that you can customize and build upon with templates built for your preferred Wix framework.

Wix App Templates for Developers

This example apps can be used as a starting point for building your own app, for concrete examples of how to use Wix framework, or for inspiration.

Choose a template.<0 />Build an app.

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This template is built with:

Read how this template was built, step by step.

How we built this template

Deployment instructions:

Choose a package manager and run the command in your terminal.

2. Copy command

Before you get started, make sure you have the following:

1. Complete prerequisites

Get started with Wix CLI

Begin by setting up your Next.js project with your preferred hosting platform.

Select your hosting service

Start the deployment flow and set up your template repo on Netlify. After you finish set up, come back here and add your Netlify custom domain.

Copy the code from our Git repo to deploy your app on any platform that supports Next.js.

Start the deployment flow and set up your template repo on Vercel. After you finish set up, come back here and add your Vercel generated URL.

Add the base URL and give your app a name.

App details

Go to the app dashboard and test your app to ensure a smooth integration within the Wix ecosystem. <0>Learn more about app checks and testing</0>

Define your environment

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Note

Warning

Your app name will be used as the namespace suffix.

Name your app to generate a namespace. This lets you refer to your app in code later on.

The Data Sharing Policy API enables sharing collections between multiple sites within the same Wix account. Using a two-sided workflow, you can create a policy to make a collection shareable, and you can connect to that policy from other sites in the same account to access and work with the shared collection.

New release: Data Sharing Policy API

The Events Settings API allows you to configure and read global event settings for sites.

Events Settings API

The Categories API allows you to define settings for a specified group of comments.

New API: Comments Categories

The Wix Holiday Sale will run from October 20, 2025, through January 2, 2026.

This seasonal promotion is designed to help you grow your user base and increase your app’s visibility by enabling discounts on your app’s plans. The sale will be promoted across Wix, resulting in high traffic and exposure for participating apps.

New feature: App Market Holiday Sale promotion

A new method is available to delete multiple form schemas at once.

New method: Form Schemas API Bulk Delete Form

The Bookings Time Slots API allows you to retrieve information about when services are available for booking. You can check availability for single-service or multi-service bookings, and get detailed information about each time slot including: whether the slot is bookable, available resources, and any booking restrictions.

New API: Bookings Time Slots

A detailed explanation of Wix Vibe's code tab and its features.

New article: Wix Vibe code tab

The Bookings Availability Calendar API will be deprecated on Mar 31, 2026. It has been replaced with the Bookings Time Slots API and will be removed on March 31, 2026.

Deprecated API: Bookings Availability Calendar

New methods in the Bookings API enable you to create and manage multi-service bookings. This allows customers to book service packages that include multiple single-service bookings, scheduled sequentially within a single transaction.

New methods: Bookings API

The Data Permissions API manages access control for data collections, allowing you to determine who can perform actions on collection items. 

New Release: Data Permissions API

A new method is available to retrieve a list of up to 100 events that belong to the same event category.

New method: Events V3 API List Events By Category

A new method is available to delete multiple item variants at once. 

New method: Restaurants Item Variants API Bulk Delete Variants

The following Form Submissions API webhooks are no longer in Developer Preview:

- [Submission Created](https://dev.wix.com/docs/api-reference/crm/forms/form-submissions/submission-created)
- [Submission Updated](https://dev.wix.com/docs/api-reference/crm/forms/form-submissions/submission-updated)
- [Submission Deleted](https://dev.wix.com/docs/api-reference/crm/forms/form-submissions/submission-deleted)

This means these webhooks aren't subject to breaking changes and can be used in production.

Fully released: Form Submissions API Webhooks

The Projects API allows you to programmatically create new Wix projects. A project can be a Wix site, headless project, branded app, or Wix Vibe site.

New release: Projects API

New [slots](https://dev.wix.com/docs/build-apps/develop-your-app/extensions/site-extensions/site-plugins/supported-wix-app-pages/about-slots) are now available in the Side Cart for building [site plugins](https://dev.wix.com/docs/build-apps/develop-your-app/extensions/site-extensions/site-plugins/about-site-plugin-extensions). These slots allow you to extend the Side Cart's functionality and customize the shopping experince. 

New release: Wix eCommerce Site Plugin

The Notification Recipients API manages notification recipients for restaurant orders. Notification recipients receive notifications via SMS or phone calls when orders are created at their associated restaurants.

New release: Restaurants Notification Recipients API

The Wix AI Site Chat APIs are no longer in Developer Preview. This means that these APIs are not subject to breaking changes and can be used in production.

Fully released: Wix AI Site Chat APIs

The Interactive Form Sessions API enables you to create AI-powered conversational form experiences where users complete forms through natural language conversations instead of traditional form filling. This transforms static forms into engaging, dynamic interactions that guide users step-by-step through data collection.

New release: Interactive Form Sessions API

The article explains the possible ways of creating Ricos documents. Ricos documents are a form of rich content, and are required by some APIs as input when calling certain methods.

New article: Create a Ricos Document

A new method, Set Visitor Primary Locale, is now available in the Multilingual Locales API. This method allows you to set a default language that site visitors see when they visit the site without specifying a language in the site's URL. 

New method: Multilingual Locales API

A comprehensive guide for consent app creators that explains everything you need to know about managing consent policies on Wix sites.

New article: About Consent Apps

The Form Schemas API allows you to create and manage form schemas. These are structural blueprints that define forms on Wix sites. 

New release: Form Schemas API

REST and SDK backend documentation are now unified in a [single API reference](https://dev.wix.com/docs/api-reference). Toggle between REST and SDK instantly, access aligned content from a single source of truth, and enjoy a smoother, faster documentation and navigation experience.

**Note:** Frontend, core, and host APIs remain in a [separate SDK reference](https://dev.wix.com/api/sdk/introduction).

New release: Unified API Reference

Registers a listener for all events triggered by trackEvent().

New method: Register Event Listener

An overview of Wix-Managed Business Flows that allow headless users to save development time by redirecting site visitors and members to pre-built Wix managed pages for complex processes including:
- Booking pages
- Booking checkout pages
- eCommerce checkouts
- Events checkouts
- Pricing plans checkouts
- Product pages

New article: About Wix Managed Business Flows

The following methods in the Restaurants Operations API have been deprecated and replaced by new methods.
- [CreateOperation](https://dev.wix.com/docs/api-reference/business-solutions/restaurants/wix-restaurants-new/online-orders/operations/create-operation) is replaced by [Create Operation Group](https://dev.wix.com/docs/api-reference/business-solutions/restaurants/wix-restaurants-new/online-orders/operation-groups/create-operation-group).
- [DeleteOperation](https://dev.wix.com/docs/api-reference/business-solutions/restaurants/wix-restaurants-new/online-orders/operations/delete-operation) is replaced by [Delete Operation Group](https://dev.wix.com/docs/api-reference/business-solutions/restaurants/wix-restaurants-new/online-orders/operation-groups/delete-operation-group).


Deprecated methods: Restaurants Operations Create Operation and Delete Operation 

The following Events Orders methods will be deprecated on March 31, 2026:
- [Create Reservation](https://dev.wix.com/docs/api-reference/business-solutions/events/orders/create-reservation) will be replaced by [Create Ticket Reservation](https://dev.wix.com/docs/api-reference/business-solutions/events/ticket-reservations/create-ticket-reservation).
- [Cancel Reservation](https://dev.wix.com/docs/api-reference/business-solutions/events/orders/cancel-reservation) will be replaced by [Cancel Ticket Reservation](https://dev.wix.com/docs/api-reference/business-solutions/events/ticket-reservations/cancel-ticket-reservation).

Deprecated methods: Events Orders Create Reservation and Cancel Reservation

The AI Assistant Training Messages API will be deprecated on Sep 1, 2025. There is no replacement for this API.

Deprecated API: AI Assistant Training Messages

The Ticket Reservations API lets you hold tickets for a specified time period during the checkout process. 

New release: Events Ticket Reservations API

The Ticket Reservations API lets you hold tickets for a specified time period during the checkout process.

The Reports V2 API is no longer in Developer Preview. This means that the API is not subject to breaking changes and can be used in production.

Fully released: Reports V2 API

The [$w Breadcrumbs](https://dev.wix.com/docs/velo/velo-only-apis/$w/breadcrumbs/introduction) element now supports the `ariaLabel` property in its `accessibility` object. This allows you to specify a custom [ARIA label](https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Reference/Attributes/aria-label) for Breadcrumbs, improving accessibility for assistive technology users. 

New param: $w Breadcrumbs accessibility ariaLabel property

The Contacts Notes API allows you to create and manage notes associated with a specific contact on a site. With this new API, Wix users can document interactions, meetings, phone calls, and other important details about their contacts to stay organized and have relevant context for future interactions.

New release: Contacts Notes API

This template is a great starting point for building engaging quiz apps on Wix Blocks. It includes: 
* Nested widgets
* Responsive design presets for mobile and desktop
* A custom panel
* A CMS collection 

New template: Blocks Quiz

Developing your Wix app with the Wix MCP? See our new sample prompts for ideas on how the MCP can help you build your app.

New article: Wix MCP Sample Prompts for App Developers

The aggregatePipeline() method builds and runs an aggregation pipeline on a data collection. 

New method: aggregatePipeline()

The Aggregate Pipeline Data Items method builds and runs an aggregation pipeline on a data collection. 

New method: Aggregate Pipeline Data Items

A new account-level Get Account method is now available in the User Management Accounts API. 

New method: Accounts API Get Account

The Bookings Services API has the following new methods:

* [Query Categories](https://dev.wix.com/docs/sdk/backend-modules/bookings/services/query-categories)
* [Query Locations](https://dev.wix.com/docs/sdk/backend-modules/bookings/services/query-locations)

New methods: Bookings Services

The Bookings Staff Members API is no longer in Developer Preview. This means that the API is not subject to breaking changes and can be used in production.

Fully released: Bookings Staff Members API

The Wix Branches API enables you to create and manage branches within a Wix site. A branch is a version of draft site content that can be edited independently of the published site, that is also known as a test site.

New release: Branches API

The Bookings Services API has the following new methods:

* [Query Categories](https://dev.wix.com/docs/rest/business-solutions/bookings/services/services-v2/query-categories)
* [Query Locations](https://dev.wix.com/docs/rest/business-solutions/bookings/services/services-v2/query-locations)

The `accessibility` object for supported $w elements now includes these additional properties: 
- `ariaAtomic`
- `ariaBusy`
- `ariaControls`
- `ariaErrorMessage`
- `ariaLive`
- `ariaOwns`
- `ariaRelevant`

Note that not all elements support the `accessibility` object, and support for individual accessibility properties varies by element. For example:
- [TextBox](https://dev.wix.com/docs/velo/velo-only-apis/$w/text-box/accessibility) supports 6 of the 7 new properties. 
- [MultiStateBox](https://dev.wix.com/docs/velo/velo-only-apis/$w/multi-state-box/accessibility) supports a different set of 6 of the new properties. 
 

New param:  Accessibility Properties for $w Elements

The FAQ Categories API allows you to view and manage categories in the Wix FAQ app.
The FAQ Question Entries API lets you manage FAQ questions and answers.
Together, the Categories and Question Entries APIs provide a complete FAQ management system: categories structure the information, while question entries hold the content.

New release: FAQ Categories and Question Entries V2 APIs

You can now publish pricing changes for your published apps instantly, without needing to submit them for review. The previous 30-day notice period for pricing updates is no longer required, making it faster and easier to adjust your app's pricing.

New feature: Build Apps Instant Pricing Updates

The Wix Chat Backend API has been deprecated.

- The `sendMessage()` function has been replaced with the Inbox SDK  [`sendMessage()`](https://dev.wix.com/docs/sdk/backend-modules/inbox/messages/send-message) method.
- Events have been replaced with [Velo Inbox Events](https://dev.wix.com/docs/velo/events-service-plugins/inbox/events/on-message-sent-to-business).

Learn more about how to [migrate from Wix Chat Backend](https://dev.wix.com/docs/velo/apis/wix-chat-backend/migrate-from-wix-chat-backend#apis_wix-chat-backend_migration-steps).

Deprecated API: Wix Chat Backend

The method updates a booking's status to pending.

New method: Mark Booking As Pending

The Bookings Pricing API is no longer in Developer Preview. This means that the API is not subject to breaking changes and can be used in production.

Fully released: Bookings Pricing API

The Portfolio APIs are no longer in Developer Preview. This means that they aren't subject to breaking changes and can be used in production.

The Portfolio APIs include:
- [Collections API](https://dev.wix.com/docs/sdk/backend-modules/portfolio/collections/introduction): All methods fully released.
- [Projects API](https://dev.wix.com/docs/sdk/backend-modules/portfolio/projects/introduction): All methods fully released.
- [Project Items API](https://dev.wix.com/docs/sdk/backend-modules/portfolio/project-items/introduction): All methods fully released.
- [Portfolio Settings API](https://dev.wix.com/docs/sdk/backend-modules/portfolio/portfolio-settings/introduction): All methods fully released.

Fully released: Portfolio APIs

The Portfolio APIs are no longer in Developer Preview. This means that they aren't subject to breaking changes and can be used in production.

The Portfolio APIs include:
- [Collections API](https://dev.wix.com/docs/rest/business-solutions/portfolio/collections/introduction): All methods fully released.
- [Projects API](https://dev.wix.com/docs/rest/business-solutions/portfolio/projects/introduction): All methods fully released.
- [Project Items API](https://dev.wix.com/docs/rest/business-solutions/portfolio/project-items/introduction): All methods fully released.
- [Portfolio Settings API](https://dev.wix.com/docs/rest/business-solutions/portfolio/portfolio-settings/introduction): All methods fully released.

New method: Delete Marketing Tag V2

The SEO Tags API allows you to generate and resolve SEO tags for sites based on site and page specific metadata.

New release: SEO Tags API

Combined the following previously separate topics into a single article to avoid repetition and improve clarity:
- Authentication strategies
- Identities
- Login options

New article: About Authentication

The settings submodule allows the code in an app's frontend extensions to access the active time zone for each interface. Currently limited to dashboard pages in CLI or self-hosted app development.

New release: Essentials Settings API

The Code tab in in [Wix Vibe](https://support.wix.com/en/article/wix-vibe-an-overview) lets you explore your generated project, review extension code, and navigate files with ease. It includes:
* Full file access with jump-to-definition support
* Built-in linter and dark mode
* Floating AI chat for code fixes and explanations

New feature: Wix Vibe Code tab

This article provides a comprehensive guide to choosing between Wix's headless development approaches. The article descibes:

* The different development paths.
* When to use each approach based on project requirements and technical preferences.
* A detailed feature comparison between both development paths.

New article: Headless Development Paths

The Data Movement Jobs API allows you to create and manage jobs to move data to and from a Wix site. Jobs can transfer data items or localized CMS content between data collections, files, or sites.

New release: Data Movement Jobs API

The Operations API has the following new methods:

* [Calculate First Available Time Slot Per Fulfillment Type](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/online-orders/operations/calculate-first-available-time-slot-per-fulfillment-type)
* [Calculate First Available Time Slots Per Operation](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/online-orders/operations/calculate-first-available-time-slots-per-operation)
* [Calculate First Available Time Slots Per Menu](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/online-orders/operations/calculate-first-available-time-slots-per-menu)
* [Calculate Available Time Slots For Date](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/online-orders/operations/calculate-available-time-slots-for-date)
* [Calculate Available Dates In Range](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/online-orders/operations/calculate-available-dates-in-range)

New methods: Restaurants Operations API

The Operations API has the following new methods:

* [Calculate First Available Time Slot Per Fulfillment Type](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/online-orders/operations/calculate-first-available-time-slot-per-fulfillment-type)
* [Calculate First Available Time Slots Per Operation](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/online-orders/operations/calculate-first-available-time-slots-per-operation)
* [Calculate First Available Time Slots Per Menu](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/online-orders/operations/calculate-first-available-time-slots-per-menu)
* [Calculate Available Time Slots For Date](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/online-orders/operations/calculate-available-time-slots-for-date)
* [Calculate Available Dates In Range](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/online-orders/operations/calculate-available-dates-in-range)

Many APIs in the Wix JavaScript SDK now include Search methods. These methods support both structured and free-text search, along with advanced features such as fuzzy matching, aggregations, and result counting. Learn more about [Search, Query, and List methods](https://dev.wix.com/docs/rest/articles/get-started/search-query-and-list-methods).

The following Search methods have been added to existing APIs:

+ Bookings: [Search Resources](https://dev.wix.com/docs/sdk/backend-modules/bookings/resources/search-resources)
+ Bookings: [Search Services](https://dev.wix.com/docs/sdk/backend-modules/bookings/services/search-services)
+ Bookings: [Search Staff members](https://dev.wix.com/docs/sdk/backend-modules/bookings/staff-members/search-staff-members)
+ eCommerce: [Search Orders](https://dev.wix.com/docs/sdk/backend-modules/ecom/orders/search-orders)
+ eCommerce: [Search Abandoned Checkouts](https://dev.wix.com/docs/sdk/backend-modules/ecom/abandoned-checkouts/search-abandoned-checkouts)
+ Events: [Search Rsvps](https://dev.wix.com/docs/sdk/backend-modules/events/rsvp-v2/search-rsvps)
+ Get Paid: [Search Payment Links](https://dev.wix.com/docs/sdk/backend-modules/get-paid/payment-links/payment-links/search-payment-links)
+ Get Paid: [Search Payment Link Payments](https://dev.wix.com/docs/sdk/backend-modules/get-paid/payment-links/payment-link-payments/search-payment-link-payments)
+ Loyalty: [Search Accounts](https://dev.wix.com/docs/sdk/backend-modules/loyalty/accounts/search-accounts)
+ Multilingual: [Search Contents](https://dev.wix.com/docs/sdk/backend-modules/multilingual/translation/translation-content/search-contents)
+ Restaurants: [Search Items](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/menus/items/items/search-items) 
+ Restaurants: [Search Reservations](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/reservations/reservations/search-reservations)
+ Stores: [Search Products](https://dev.wix.com/docs/sdk/backend-modules/stores/catalog-v3/products-v3/search-products)
+ Stores: [Search Inventory Items](https://dev.wix.com/docs/sdk/backend-modules/stores/catalog-v3/inventory-items-v3/search-inventory-items)

New Search methods

We've added a new sample flows article for the Wix Restaurants Menus API, as well as supporting articles that explain how to retrieve and build full menu structures.

New articles: Wix Restaurants Menus Sample Flows

The Item Modifiers API has the following new method:

* [Bulk Delete Modifiers](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/menus/items/item-modifiers/bulk-delete-modifiers)

New method: Restaurants Item Modifiers API

The Sections API has the following new method:

* [Duplicate Section](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/menus/sections/duplicate-section)

New method: Restaurants Sections API

The Item Modifiers API has the following new method:

* [Bulk Delete Modifiers](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/menus/items/item-modifiers/bulk-delete-modifiers)

The Verification API allows you to implement secure member registration with a Wix Headless site or app by enabling email verification during authentication flows.

New release: Headless Verification API

New release: Identity Verification API for Headless

The Sections API has the following new method:

* [Duplicate Section](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/menus/sections/duplicate-section)

Wix app developers can now integrate Google Analytics to gain insights into user interactions with your Wix App Market app page.

New release: Google Analytics Integration

With the Robots Txt API, Wix users can define which crawlers are allowed to access and index their website content.

New release: Robots Txt API

The Wix CLI for Headless is now available, opening up an entirely Wix-managed development path for building Wix Headless projects. The CLI is a powerful tool that automates project setup and integrates your frontend with Wix's backend services.
 
Key features include:

- Seamless integration with Astro.
- Serverless hosting for your project's frontend, managed by Wix.
- Extensions to expand dashboard capabilities, handle events, and create service plugins.
- Local development environment with hot reloading and shareable previews.

With the Wix CLI for Headless, you can focus on building your project features while Wix handles infrastructure, authentication, and deployment.

New release: Wix CLI for Headless

The Product Plugin API has 4 new fields:
- `selectedVariantID`: The ID of the selected product variant.
- `selectedChoices`: An object containing all the choices the site visitor picks from the options on the product page.
- `quantity`: The number of product items the site visitor sets on the product page. 
- `customText`: An array of text values entered by the site visitor in custom text fields on the product page.

New fields: Product Plugin API

The Reservations API has the following new methods:

* [Bulk Archive Reservations](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/reservations/reservations/bulk-archive-reservations)
* [Bulk Unarchive Reservations](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/reservations/reservations/bulk-unarchive-reservations)

New methods: Restaurants Reservations API

The Items API has the following new method:

* [Search Items](https://dev.wix.com/docs/rest/business-solutions/restaurants/wix-restaurants-new/menus/items/items/search-items)

New method: Restaurants Items API

The Plans V3 API allows you to create and manage pricing plans that determine charges for site content and services.

New release: Pricing Plans V3 API

The Items API has the following new method:

* [Search Items](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/menus/items/items/search-items)

The Reservations API has the following new methods:

* [Bulk Archive Reservations](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/reservations/reservations/bulk-archive-reservations)
* [Bulk Unarchive Reservations](https://dev.wix.com/docs/sdk/backend-modules/restaurants/wix-restaurants-new/reservations/reservations/bulk-unarchive-reservations)

This article provides step-by-step examples for implementing common redirect scenarios using the Redirects API in Wix Headless projects. The article covers:

* [Redirecting to a Wix-managed checkout page](https://dev.wix.com/docs/rest/business-management/headless-authentication/redirects/sample-flows#redirect-to-a-wix-managed-checkout-page)
* [Redirecting to a Wix-managed login page](https://dev.wix.com/docs/rest/business-management/headless-authentication/redirects/sample-flows#redirect-to-a-wix-managed-login-page)
* [Redirecting to an external thank you page after an event checkout](https://dev.wix.com/docs/rest/business-management/headless-authentication/redirects/sample-flows#redirect-to-an-external-thank-you-page-after-an-event-checkout)

New article: Headless Redirects: Sample Flows

The Sender Emails API has new events:

- [Sender Email Created](https://dev.wix.com/docs/sdk/backend-modules/sender-emails/sender-emails/on-sender-email-created)
- [Sender Email Updated](https://dev.wix.com/docs/sdk/backend-modules/sender-emails/sender-emails/on-sender-email-updated)
- [Sender Email Deleted](https://dev.wix.com/docs/sdk/backend-modules/sender-emails/sender-emails/on-sender-email-deleted)

New events: Wix Emails Sender Emails API

The Site Payment Method Types API allows you to get the payment method types potentially available for use on a site. Some examples of payment method types are Mastercard and Visa cards, Apple Pay, Google Pay, PayPal, iDEAL, Klarna, and Pix.

New release: Payments Site Payment Method Types API

The Sender Details API has new events:

- [Sender Details Created](https://dev.wix.com/docs/sdk/backend-modules/sender-details/sender-details/on-sender-details-created)
- [Sender Details Updated](https://dev.wix.com/docs/sdk/backend-modules/sender-details/sender-details/on-sender-details-updated)
- [Sender Details Deleted](https://dev.wix.com/docs/sdk/backend-modules/sender-details/sender-details/on-sender-details-deleted)

New events: Wix Emails Sender Details API

The Sender Emails API has new events:

- [Sender Email Created](https://dev.wix.com/docs/rest/business-management/marketing/sender-emails/sender-email-created)
- [Sender Email Updated](https://dev.wix.com/docs/rest/business-management/marketing/sender-emails/sender-email-updated)
- [Sender Email Deleted](https://dev.wix.com/docs/rest/business-management/marketing/sender-emails/sender-email-deleted)

The Sender Details API has new events:

- [Sender Details Created](https://dev.wix.com/docs/rest/business-management/marketing/sender-details/sender-details-created)
- [Sender Details Updated](https://dev.wix.com/docs/rest/business-management/marketing/sender-details/sender-details-updated)
- [Sender Details Deleted](https://dev.wix.com/docs/rest/business-management/marketing/sender-details/sender-details-deleted)

All calendar-related APIs under Bookings have been deprecated and replaced with the dedicated [Calendar APIs](https://dev.wix.com/docs/rest/business-management/calendar/introduction). 

**Exception:** The Bookings [External Calendar V2 API](https://dev.wix.com/docs/rest/business-solutions/bookings/calendar/external-calendar-v2/introduction) remains active and provides the current solution for external calendar integration.

Learn how to [migrate to the Calendar APIs](https://dev.wix.com/docs/rest/business-solutions/bookings/calendar/how-wix-bookings-uses-the-calendar-apis#migrate-from-deprecated-bookings-calendar-apis).

Deprecated APIs: Bookings Calendar

The Loyalty Accounts List Accounts method has been deprecated and replaced with the [Query Loyalty Accounts](https://dev.wix.com/docs/rest/crm/loyalty-program/accounts/query-loyalty-accounts) method.

Deprecated API method: Loyalty Accounts List Accounts

The Bookings Resources V1 API has been deprecated and replaced with [Bookings Resources V2](https://dev.wix.com/docs/rest/business-solutions/bookings/resources/resources-v2/introduction).
 

Deprecated API: Bookings Resources V1

The Events RSVP V1 API has been deprecated and replaced with [Events RSVP V2](https://dev.wix.com/docs/rest/business-solutions/events/rsvp-v2/introduction).

Deprecated API: Events RSVP V1

# About the Data Extension Schema API

A data extension schema allows you to define and validate the structure of additional custom fields that can be dynamically added to Wix API objects. This schema acts as a blueprint, describing the properties, data types, and constraints for these custom `extendedFields` fields, based on a [JSON schema](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/extensions/backend-extensions/schema-plugins/the-json-schema) as part of the [schema plugin extension](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/extensions/backend-extensions/schema-plugins/about-schema-plugin-extensions). For example, a data extension schema can describe custom shipping data added to the [Wix eCommerce Checkout object](portalId::d1972c09-74e2-4d36-a6f2-54e3310d4ad9resourceId::38074d2d-0934-4f0e-a442-db544d43e9cbslug::checkout-object*fallback::https://dev.wix.com/docs/rest/business-solutions/e-commerce/checkout/checkout-object).  

The Data Extension Schema API enables you to: 
- [Retrieve all the data extension schemas](fallback::https://dev.wix.com/docs/rest/business-management/data-extension-schema/list-data-extension-schemas) installed on a specific site.
- [Create](fallback::https://dev.wix.com/docs/rest/business-management/data-extension-schema/create-data-extension-schema) and [update](fallback::https://dev.wix.com/docs/rest/business-management/data-extension-schema/update-data-extension-schema) user-defined schemas for a specific site.

Learn more about [reading and writing schema plugin fields](portalId::63e3acd8-2a9c-421d-8f92-d02930eeb59eresourceId::7e864ebe-b9bf-4d12-9871-9eba8c1b15d2*fallback::https://dev.wix.com/docs/build-apps/develop-your-app/extensions/backend-extensions/schema-plugins/about-reading-and-writing-schema-plugin-fields).

### User-defined data extension schemas
A user-defined data extension schema is created when a Wix user creates their own extended fields. This schema is saved under a dedicated `_user_fields` `namespace`. For example, Wix users can add their own fields to the checkout flow in the site's dashboard under **Settings** > **Checkout** > **Checkout form** when they edit the checkout form: 

![Checkout extended fields](https://wixmp-833713b177cebf373f611808.wixmp.com/images/eff5a2b4063b0b0b648c2b6f149a6949.png)  

The resulting user-defined data extension is saved in the `_user_fields` `namespace`.

## Before you begin
It's important to note the following before starting to code:
- App schema plugin extensions, including their JSON schemas, are created and maintained in an [app dashboard](fallback::https://manage.wix.com/studio/custom-apps). This API only supports creating and updating **user-defined** schemas.
- Schema plugin extensions are supported by select [Wix API objects](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/extensions/backend-extensions/schema-plugins/about-schema-plugin-extensions#see-also). Always check that the object you would like to extend includes a property named `extendedFields`.
- This API supports retrieving data extension schemas from [multiple `namespaces`](portalId::63e3acd8-2a9c-421d-8f92-d02930eeb59eresourceId::7e864ebe-b9bf-4d12-9871-9eba8c1b15d2#namespaces*fallback::https://dev.wix.com/docs/build-apps/develop-your-app/extensions/backend-extensions/schema-plugins/about-reading-and-writing-schema-plugin-fields#namespaces) in a single call.
- Data extension schemas are supported by select [Wix API service entities](fallback::https://dev.wix.com/docs/build-apps/develop-your-app/extensions/backend-extensions/schema-plugins/about-schema-plugin-extensions#see-also). Always check that the service object you would like to extend supports this functionality.
- `namespace` name limitations:
  - Can't include "Wix".
  - Only supports lowercase letters, numbers, hyphens, and underscores.
  - Max length: 164 characters.
  - Once set, `namespace` names can't be changed.


## Use cases
- [Retrieve a list of all data extension schemas for the Wix eCommerce Checkout object](fallback::https://dev.wix.com/docs/rest/business-management/data-extension-schema/sample-flows#retrieve-a-list-of-all-data-extension-schemas-for-the-wix-ecommerce-checkout-object)
- [Add a field to a user-defined data extension schema](fallback::https://dev.wix.com/docs/rest/business-management/data-extension-schema/sample-flows#add-a-field-to-a-user-defined-data-extension-schema-for-the-wix-ecommerce-order-object)
  
## Terminology
- **Data extension schema**: A JSON schema defining the data structure of the custom fields to add to a Wix object. 
- **FQDN**: Fully qualified domain name, a unique identifier for a Wix object. Learn more about [FQDNs](portalId::d1972c09-74e2-4d36-a6f2-54e3310d4ad9resourceId::a41f8d61-0aa4-4ccf-ab8e-09b8e0d9bbfc*fallback::https://dev.wix.com/docs/rest/articles/getting-started/fqdns).
- **Namespace**: A unique identifier for your app or project. Expected format is @myCompany/myAppName. See limitations in the Before you begin section above.
- **Schema plugin extension**: Specific functionality that extends a Wix object with custom fields, nested in the object called `extendedFields`.
- **User-defined schema**: The schema created when a Wix user creates their own extended fields. This schema is created with the `namespace`: `_user_fields`.

Create Data Extension Schema