# Get Permission List This will retrieve entity IDs in the MediaMath Platform (organizations, agencies and/or advertisers) to which you, as a data provider, have access. To identify entity IDs for your customers and request your grants be updated, reach out to MediaMath Support or ask your client to locate their relevants IDs within the MediaMath Platform Admin section.  Endpoint: GET /audience_segments/grants/{vendor_id} Version: 2.0 Security: OAuth2 ## Path parameters: - `vendor_id` (string, required) Your vendor ID, provided by MediaMath partnerships team. ## Response 200 fields (application/json): - `meta` (object) - `meta.status` (string) - `data` (object) - `data.organizations` (array) - `data.organizations.name` (string) - `data.organizations.id` (integer) - `data.agencies` (array) - `data.advertisers` (array)