GET /contacts/v1/attributeSetDefinitions
Retrieves all attribute set definition from your contact data model.
To retrieve all of the attribute set definitions for your account, issue a GET request to the /contacts/v1/attributeSetDefinitions
endpoint.
The response contains information about the attribute sets in your contact data model.
The output of this request contains several thousand lines. For a result that's easier to interpret, retrieve the definitions for a specific attribute set by passing its ID. This sample has been shortened.