chromium/google_apis/test/data/gaia/all_base_urls.json

{
  "urls": {
    "google_url": {
      "url": "http://example.com/"
    },
    "gaia_url": {
      "url": "https://accounts.example.com"
    },
    "lso_origin_url": {
      "url": "https://lso.example.com"
    },
    "google_apis_origin_url": {
      "url": "https://www.exampleapis.com"
    },
    "oauth_account_manager_origin_url": {
      "url": "https://oauthaccountmanager.exampleapis.com"
    },
    "account_capabilities_origin_url": {
      "url": "https://accountcapabilities.exampleapis.com"
    },
    "classroom_api_origin_url": {
      "url": "https://classroom.exampleapis.com"
    },
    "tasks_api_origin_url": {
      "url": "https://tasks.exampleapis.com"
    }
  }
}