Mirror of <https://developer.salesforce.com/docs/data/data-cloud-query-guide/references/data-cloud-query-api-reference/c360a-api-v1-data-graphs-metadata.html> (Salesforce, Data 360 Query Guide), read 2026-10-23. Salesforce's own page is the authority; this copy exists because that site refuses non-browser readers.

Retrieves metadata for all accessible data graph objects in your Data 360 instance. This endpoint returns detailed information about primary data model objects, related objects, and their fields.

HTTP Method: GET
Availability: Data 360 v1.0, Salesforce v51.0
Format: REST
URI: /api/v1/dataGraph/metadata

Parameter	Type	Description
dataGraphName	string	Optional. The name of a specific data graph to retrieve metadata for. Example: `UnifiedIndividual_DG`

The response includes an array of metadata objects, each containing:

developerName: The unique identifier of the data graph
description: Description of the data graph
dataspaceName: The dataspace where the data graph is located
primaryObjectName: The name of the primary data model object
valuesDmoName: The name of the values data model object
idDmoName: The name of the ID data model object
version: The version of the data graph
primaryObjectType: The type of the primary object
status: The current status of the data graph
object: Object containing field definitions and relationships

The response includes all data graphs available to the authenticated user
Each data graph’s metadata includes all available fields and relationships