rdp-api refinitiv-data-platform python rdp api esg ipa elektron-sdk research refinitiv-data-platform-libraries refinitiv-dataplatform-eikon news websockets codebook eikon-data-api token search symbology eikon authentication funds historical rics forex fields refinitiv-realtime rdp search error volatility java aws bonds lipper api-playground data c# refinitiv-data-platform-eikon workspace python api excel pricing streaming-prices subscription derivatives bulk-download oauth endpoint pricing-history .net session jupyter-notebook rkd-api news-topic-code-list chain-ric zero-curve r machine-id request price-history volatility-surface tick-history-rest-api credentials rfa ssl workspace-data-api swaps corporate-actions error-403 documentation equities refinitiv-dataplatform-libraries datascope-select connection developer-community tutorial packages level-2 error-500 Download datastream-api starmine app-key json-payload forwards fundamental-data json isin error-404 snapshot-pricing trade eikon-com-api certificate yield-curve beta licensing refinitiv-realtime-optimised elektron appkey decoder time-series exchange-codes sql commodities port-number nda-raw usage rrto error-message html qos dss-rest-api javascript mac-os rest-api proxy cloud market-holidays c++ url FTP street-events market vwap futures volume scopes exception dss screening bitcoin estimates configuration example csv sfc web connection-error rcc throttling mifid monitoring gics postman pandas callback rrt streaming-data reference-data networking refinitiv-real-time-optimised update-message DACS mrn error-login ms-office permissioning ADH trep market-by-order ema-api marketpsych excel-error deployment rssl permid-api elektron-data-dictionary etf alerts asynchronous reports news-filter metadata economic-data filter credit-ratings corporate-events post rfa-api client-file-store refinitiv-real-time ts1 screener data-type holiday sedol firewall refinitiv-realtime-sdk parameters ms-access date repo unix