Reference data
The lists other calls take their ids and codes from.
Endpoints
GET/client_api/v2/countriesList countriesGET/client_api/v2/currenciesList currenciesGET/client_api/v2/line_item_typesList line item typesGET/client_api/v2/nature_of_transactionsList natures of transactionGET/client_api/v2/order_statusesList order statusesGET/client_api/v2/purpose_of_shipmentsList purposes of shipmentGET/client_api/v2/reason_for_shipmentsList reasons for shipmentGET/client_api/v2/system_configs/{id}Get a setting