> For the complete documentation index, see [llms.txt](https://docs.digitalriver.com/commerce-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1.md).

# Orders

- [Getting orders](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/getting-orders.md): Learn how to retrieve orders.
- [Selling entities](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/selling-entities.md): Learn how Digital River dynamically assigns selling entities.
- [Retrieving addresses from an order](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/retrieving-addresses-from-an-order.md): Learn how to retrieve a billing or shipping address from an order.
- [Retrieving line items from an order](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/retrieving-line-items-from-an-order.md): Learn how to retrieve line items from an order.
- [Order lookup](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/order-lookup.md): Learn how to lookup orders.
- [Returns](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/returns.md): Understand how returns work. You can use Commerce API to process customer returns for one or more items in an order.
- [Initiate an authenticated session](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/returns/initiate-an-authenticated-session.md): Learn how to initiate an authenticated session for a return.
- [Setting up returns in Global Commerce](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/returns/setting-up-returns-in-global-commerce.md): Learn how to set up returns in Global Commerce.
- [Managing returns](https://docs.digitalriver.com/commerce-api/shopper-apis/orders-1/returns/retrieving-returns-for-a-specified-order.md): Learn how to manage returns for a specified order.