IBMQFactory.load_account

IBMQFactory.load_account()

Authenticate against IBM Quantum Experience from stored credentials.

Return type

Optional[AccountProvider]

Returns

If the configuration file specifies a default provider, it is returned. Otherwise the provider for the open access project is returned.

Raises

• IBMQAccountCredentialsInvalidFormat – If the default provider stored on disk could not be parsed.

• IBMQAccountCredentialsNotFound – If no IBM Quantum Experience credentials can be found.

• IBMQAccountMultipleCredentialsFound – If multiple IBM Quantum Experience credentials are found.

• IBMQAccountCredentialsInvalidUrl – If invalid IBM Quantum Experience credentials are found.

• IBMQProviderError – If the default provider stored on disk could not be found.