# Shopper APIs reference

- [Carts](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/carts.md): Learn more about the carts resource.
- [Offers](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/carts/offers.md): Understand how offers work.
- [Offer types](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/carts/offers/offer-types.md): Understand the available offer types.
- [POP offers](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/carts/offers/pop-offers.md)
- [Applied offers](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/carts/offers/applied-offers.md)
- [Eligible offers](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/carts/offers/eligible-offers.md)
- [Orders](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/orders.md): Learn more about the orders resource.
- [Returns](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/returns.md): Learn how returns are processed.
- [Links](/commerce-api-references/commerce-api-reference-guide/shopper-apis-reference/links.md): Understand how the Shoppers resource includes links.