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