# Order item

The order item object represents something that has been purchased as part of the order. For an airline reservation, an order item is typically one or more flight segments, or an ancillary item purchased in addition to the flight, such as excess baggage allowance or priority boarding.

## Create an order item

 - [POST /v2.1/orders/{orderRef}/orderItems](https://api-docs.sitecore.com/cdp/order-rest-api/order-item/createorderitem.md): Creates an order item on an order. 

 In the response, ref contains the order item reference. Use the order item reference to interact with a specific order item, for example, to retrieve it, update it, or create a data extension for it.

## List order items for an order

 - [GET /v2.1/orders/{orderRef}/orderItems](https://api-docs.sitecore.com/cdp/order-rest-api/order-item/retrieveorderitems_1.md): Retrieves a list of order items for an order. 

 In the response, items.ref contains the order item reference. Use the order item reference to interact with a specific order item, for example, to retrieve or update it.

## Retrieve an order item

 - [GET /v2.1/orderItems/{orderItemRef}](https://api-docs.sitecore.com/cdp/order-rest-api/order-item/retrieveorderitem.md): Retrieves an order item.

## Update an order item

 - [PUT /v2.1/orderItems/{orderItemRef}](https://api-docs.sitecore.com/cdp/order-rest-api/order-item/updatesorderitem.md): Updates an order item.

## Partially update an order item

 - [PATCH /v2.1/orderItems/{orderItemRef}](https://api-docs.sitecore.com/cdp/order-rest-api/order-item/partiallyupdatesorderitem.md): Partially updates an order item.

## Delete an order item

 - [DELETE /v2.1/orderItems/{orderItemRef}](https://api-docs.sitecore.com/cdp/order-rest-api/order-item/deleteorderitem.md): Deletes an order item.