curl --request GET \
  --url https://{tenantDomain}/my-org/v1/roles \
  --header 'Authorization: Bearer <token>'

{
  "roles": [
    {
      "id": "rol_BKI0BKI0BKI0BKI0",
      "name": "Admin",
      "description": "Administrator role with full access"
    },
    {
      "id": "rol_BKI0BKI0BKI0BKI1",
      "name": "User",
      "description": "Standard user role with limited access"
    }
  ],
  "next": "abc123"
}