REST API Guest data extension v2 (legacy)

Retrieve a guest data extension (legacy)

Important

A newer version of this REST API (v2.1) is available. 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 so you can upgrade.

GET /v2/guests/guestRef/extext/<dataExtensionRef>

Retrieves an expanded guest data extension for a guest. To retrieve a list of all guest data extensions, retrieve the guest.

Attribute	Type	Description	Example
`guestRef`	string	The reference of the guest record. If you do not know the guest reference, first retrieve guests.	`f7aabbca-1c1b-4fc2-be72-3e16294a4f03`
`dataExtensionRef`	string	The reference of the data extension. If you do not know the data extension reference, first create a guest data extension.	`09bfc8cc-3815-5b77-b75a-d3cc6a867c1a`

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

{
    "href": "<baseURL>/v2/guests/f7aabbca-1c1b-4fc2-be72-3e16294a4f03/extext/09bfc8cc-3815-5b77-b75a-d3cc6a867c1a",
    "ref": "09bfc8cc-3815-5b77-b75a-d3cc6a867c1a",
    "key": "default",
    "createdAt": "2026-12-16T07:`53:19`.253Z",
    "modifiedAt": "2026-12-16T07:`53:41`.572Z",
    "vipMember": true,
    "loyaltyTier": "level2",
    "rewardBalance": 5012.25,
    "loyaltyNumber": 3452,
    "guest": {
        "href": "<baseURL>/v2/guests/f7aabbca-1c1b-4fc2-be72-3e16294a4f03"
    }
}

If you have suggestions for improving this article, let us know!