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