Replace the WorkspaceId placeholder with your actual workspace ID or every call 404s. Set page_size to 200 when listing permissions so you do not miss models past the first page. Authenticate with Authorization Bearer carrying your API key.

Context: Official docs (Model Studio list model permissions): documents a GET /api/v1/models/permissions endpoint scoped to the workspace (the {WorkspaceId} placeholder must be replaced with your own), Bearer auth header, and pagination with page_size default 20 and a hard max of 200.