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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"[FR] Use firebase emulator for TenantManagementService","articleBody":"**Is your feature request related to a problem? Please describe.**\nCurrently only the Auth client supports running against the firebase emulator when setting the `FIREBASE_AUTH_EMULATOR_HOST` environment variable. However when wanting to list for example tenants with TenantManagementService you cannot do that and it forcibly uses `TENANT_MGT_URL = 'https://identitytoolkit.googleapis.com/v2'`. The emulator itself however emulates some of these endpoints (like `/projects/{project_id}/tenants`) so some of those are supported.\n\n**Describe the solution you'd like**\nAdd support for setting `FIREBASE_TENANT_EMULATOR_HOST` and use that in `_TenantManagementService`\n\n**Describe alternatives you've considered**\nDoing direct HTTP REST API calls to the emulator or extending the management service manually like\n\n```py\nclass EmulatedTenantManagementService(tenant_mgt._TenantManagementService):\n    TENANT_MGT_URL = (\n        f\"http://{firebase_auth_emulator_host}/identitytoolkit.googleapis.com/v2\"\n    )\n\n    def __init__(self, app: firebase_admin.App):\n        super().__init__(app)\n        credential = _utils.EmulatorAdminCredentials()\n        version_header = f\"Python/Admin/{firebase_admin.__version__}\"\n        base_url = f\"{self.TENANT_MGT_URL}/projects/{app.project_id}\"\n        self.client = _http_client.JsonHttpClient(\n            credential=credential,\n            base_url=base_url,\n            headers={\"X-Client-Version\": version_header},\n        )\n\napp = firebase_admin.get_app()\nservice = EmulatedTenantManagementService(app)\napp._services[tenant_mgt._TENANT_MGT_ATTRIBUTE] = service\n```\n\n","author":{"url":"https://github.com/Jaakkonen","@type":"Person","name":"Jaakkonen"},"datePublished":"2025-09-08T12:16:23.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/910/firebase-admin-python/issues/910"}