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