firebase_admin.app_check module

Firebase App Check module.

Functions

verify_token firebase_admin.app_check.verify_token(token: str, app=None, consume: bool = False) → Dict[str, Any]
Verifies a Firebase App Check token, optionally consuming limited-use tokens. Parameters: token – A token from App Check. app – An App instance (optional). consume – Set to `True` only if the token is a limited-use (one-time) token that should be consumed upon verification (optional, defaults to `False`). Returns: The token’s decoded claims. If `consume` is `True`, the dictionary also includes an `already_consumed` boolean key indicating whether the token was previously consumed. Return type: Dict[str, Any] Raises: ValueError – If `consume` is not a boolean, or if the app’s `project_id` is invalid or unspecified, or if the token’s headers or payload are invalid. FirebaseError – If an error occurs while communicating with the App Check service. PyJWKClientError – If PyJWKClient fails to fetch a valid signing key.

firebase_admin.app_check.verify_token(token: str, app=None, consume: bool = False) → Dict[str, Any]

Verifies a Firebase App Check token, optionally consuming limited-use tokens.

Parameters:

token – A token from App Check.
app – An App instance (optional).
consume – Set to True only if the token is a limited-use (one-time) token that should be consumed upon verification (optional, defaults to False).

Returns:

The token’s decoded claims. If consume is True, the dictionary: also includes an already_consumed boolean key indicating whether the token was previously consumed.

Return type:

Dict[str, Any]

Raises:

ValueError – If consume is not a boolean, or if the app’s project_id is invalid or unspecified, or if the token’s headers or payload are invalid.
FirebaseError – If an error occurs while communicating with the App Check service.
PyJWKClientError – If PyJWKClient fails to fetch a valid signing key.

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Last updated 2026-09-17 UTC.