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