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