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