# Product Catalog Documentation

> ChannelAdvisor Product Catalog API provides brand products and retailer locations

## Guides: Guides
- [Getting Started](https://pcat.readme.io/docs/getting-started-1.md)
- [API Key Authentication](https://pcat.readme.io/docs/api-key-authentication.md)
- [Troubleshooting](https://pcat.readme.io/docs/troubleshooting.md)

## Guides: Documentation
- [Offers Search Endpoint](https://pcat.readme.io/docs/offers-search.md): Search for Online and Local retailers of a product
- [OnDemand Feature](https://pcat.readme.io/docs/ondemand-availability.md)
- [AddToCart Feature](https://pcat.readme.io/docs/addtocart-feature.md)
- [Retailer Display by Content Score Feature (BETA)](https://pcat.readme.io/docs/retailer-display-by-content-score-feature.md)
- [Backup Products Feature](https://pcat.readme.io/docs/backup-products-feature.md)
- [Virtual Basket API](https://pcat.readme.io/docs/virtualbasket-api.md)

## API Reference: Product Catalog APIs
- [Offers Search](https://pcat.readme.io/reference/offers-search-1.md): The Offers endpoint is used to search both Online and Local retailers of a product, when Offer Location is provided.

## API Reference: Virtual Basket API
- [Get Model Metadata](https://pcat.readme.io/reference/get-model-metadata.md)
- [Create Basket](https://pcat.readme.io/reference/create-basket.md): Creates a new Basket for a new User's Session. Can be crated with contents or empty
- [Delete Basket](https://pcat.readme.io/reference/delete-basket.md): Deletes an existing Basket
- [Add Items to Basket](https://pcat.readme.io/reference/add-items-to-basket.md)
- [Get Basket Offers](https://pcat.readme.io/reference/get-basket-offers.md)
- [Get Basket Contents](https://pcat.readme.io/reference/get-basket-contents.md): Retrieves Basket's contents, including a summary info, items and quantities and related actions links.
- [Basket Checkout](https://pcat.readme.io/reference/basket-checkout.md)
- [Remove item from Basket](https://pcat.readme.io/reference/remove-item-from-basket.md)
- [Update Item in Basket](https://pcat.readme.io/reference/update-item-in-basket.md)