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