ipumspy.api.IpumsApiClient.__init__¶ IpumsApiClient.__init__(api_key, base_url='https://api.ipums.org/extracts', api_version='beta', num_retries=3, session=None)[source]¶ Class for creating and retrieving IPUMS extracts via API Parameters api_key (str) – User’s IPUMs API key base_url (str) – IPUMS API url num_retries (int) – number of times a request will be retried before raising TransientIpumsApiException session (Optional[Session]) – requests session object