> Portal Navigation:
> 
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## Resource: Introduction

## Article: Introduction

## Article Link: https://dev.wix.com/docs/api-reference/business-solutions/stores/catalog-v1/catalog/introduction.md

## Article Content:

# About the Wix Stores Catalog API

Wix Stores creates a catalog of store owners’ items for purchase and allows store owners to create smaller collections of products by type or theme. A catalog organizes the store’s products and collections and facilitates inventory management. With the Wix Stores Catalog API you can query individual products, collections or the entire catalog, as well as create products and add their media.

Querying the products and collections in the catalog enables you to coordinate a store’s inventory across other sales platforms (e.g., Facebook marketplace), or inventory management tools (e.g., NetSuite, TradeGecko), among other uses.

<blockquote class="important">
  <strong>Catalog V3</strong>

Wix Stores is introducing **Catalog V3**, a new set of APIs for the Wix Stores product catalog, set to roll out in **Q2 2025**.
The new catalog will initially be rolled out to new users only, and over time, Catalog V3 will fully replace Catalog V1.

This upgraded catalog will provide Wix Stores owners with enhanced tools to build more comprehensive
product catalogs and streamline store management.

To remain compatible with all Wix Stores users, your app must be able to support both versions of the catalog:
+ Learn more about how to integrate with the [Catalog V3 APIs](https://dev.wix.com/docs/rest/business-solutions/stores/catalog-v3/introduction.md).
+ Use the [Catalog Versioning API](https://dev.wix.com/docs/rest/business-solutions/stores/catalog-versioning/introduction.md) to determine which version of the Wix Stores Catalog a site is using.

</blockquote>

## Terminology
- **The catalog** is a complete list of all the store’s products.
- **Collections** are themed groupings of items for purchase that a store owner can create to organize their products (e.g., Spring 2019, Running shoes, etc.). Products can belong to multiple collections.
- **Options** are property types that customers can select within the specific product - e.g., color and size.
- **Choices** are the available selections within each option - e.g., red and green choices under the Color option.
- **Variants** are combinations of different product options and choices - e.g., a red shirt in size large.
A variant can override the following values from the parent product:
  - Price
  - SKU
  - Weight
  - Inventory

## Error handling
| Status code | Description                                                                                                                         |
|-------------|-------------------------------------------------------------------------------------------------------------------------------------|
| 200         | Success                                                                                                                             |
| 400         | Invalid input (e.g., when the filter format is not valid or when providing invalid options when calling productOptionsAvailability) |
| 401         | Invalid authorization token, or Wix stores is not installed                                                                         |
| 404         | Requested product or collection is not found                                                                                        |
| 500         | Unexpected error                                                                                                                    |

@sdk_package_setup