---
title: "Delete a guest data extension (legacy)"
slug: "delete-a-guest-data-extension--legacy-"
abstract: "Describes how to delete a guest data extension using the Sitecore CDP Guest data extension REST API."
---
# Delete a guest data extension (legacy)

> [!important]
> [A newer version of this REST API (v2.1) is available](https://doc.sitecore.com/cdp/en/developers/guest-rest-api/index.html). If you're new to the Guest REST API, use the new version. Alternatively, if you're already using the old version, [read about the differences between v2 and v2.1](https://doc.sitecore.com/cdp/en/developers/api/rest-apis/legacy-rest-apis/guest-data-extension-rest-api-v2--legacy-/differences-between-v2-and-v2-1-of-the-guest-and-guest-data-extension-rest-apis.html "Differences between v2 and v2.1 of the Guest and Guest data extension REST APIs") so you can upgrade.

`DELETE /v2/guests/<guestRef>/extext/<dataExtensionRef>`

Delete a guest data extension for a guest. An empty, `200 OK` response means that the deletion was successful.

| Attribute | Type | Description | Example |
| --- | --- | --- | --- |
| `guestRef` | string | The reference of the guest record.<br><br>If you do not know the guest reference, first [retrieve guests](https://doc.sitecore.com/cdp/en/developers/api/rest-apis/legacy-rest-apis/guest-data-extension-rest-api-v2--legacy-/retrieve-guests--legacy-.html). | `f7aabbca-1c1b-4fc2-be72-3e16294a4f03` |
| `dataExtensionRef` | string | The reference of the data extension.<br><br>If you do not know the data extension reference, first [create a guest data extension](https://doc.sitecore.com/cdp/en/developers/api/rest-apis/legacy-rest-apis/guest-data-extension-rest-api-v2--legacy-/create-a-guest-data-extension--legacy-.html). | `09bfc8cc-3815-5b77-b75a-d3cc6a867c1a` |

```curl
curl -X DELETE '<baseURL>/v2/guests/f7aabbca-1c1b-4fc2-be72-3e16294a4f03/extext/09bfc8cc-3815-5b77-b75a-d3cc6a867c1a' \
-u '<username>:<password>' \
-H 'Accept: application/json'

```