> ## Documentation Index
> Fetch the complete documentation index at: https://developer.voyado.com/llms.txt
> Use this file to discover all available pages before exploring further.

# About purchases

For working with purchases, Engage has the concepts of Transactions and Orders. Here you'll see how they differ, and when to use each in your integration.

**Transactions**: Learn how to use the `/receipts` endpoint to send completed purchases and returns to Engage.

**Orders**: Learn how to use the Orders API to send and manage order data in Engage.

Select a section on the left to get started.