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