This section of the developer guide explains how to integrate with Shopware ERP’s REST API. The REST API Basics chapter deals with technical topics such as authentication, Shopware-specific data encoding schemes as well as the Shopware ERP API’s idempotency support. The Warehouses API and Bin Locations API chapters explain how to manage these structural warehouse entities. The Stock API chapter introduces a batch-oriented, high-performance, and high-reliability API for moving stock into, within, or out of warehouses. Finally, the Order Shipping API chapter introduces endpoints which support filling orders by clearing stock from warehouses.