dss-rest-api dss datascope-select rest-api rics tick-history-rest-api pricing api historical python extraction c# forex java .net authentication data chain-ric time-series corporate-actions isin dss-gui error bonds json search symbology FTP dss-soap-api http index funds soap-api api-limits entity terms-and-conditions embargo on-demand-extraction report-template time-out certificate credit-ratings sftp status fields futures quote derivatives token equities migration connection sdk exchanges postman eikon permid-api template lipper venue-by-day ssl excel market-depth elektron-sdk expiration date etf performance json-payload error-429 rfa price-history exchange-codes tick-data expired-contract log-in usage response datastream-api commodities time-zone rate-match asynchronous qualifier legacy azure linux condition-codes eikon-data-api time-stamp eonia proxy spread page volume bulk-download request delayed-feed error-500 permissioning filter sedol yield error-400 ric corporate-events constituents example credentials rdp-api sql time vba trbc request-token connection-error timeseries repo trade url issue maturity calendar fix-protocol jar error-408 model-view-controller polling stream tls error-message multi-threading market-price gui delphi rdms c++ visual-studio environment refinitiv-realtime reports deserialize world-check forwards documentation error-502 configuration euribor matlab vwap trth-rest-api orhpaned-instrument node-js api-token oauth hardware web-services exchange-holidays handshake synchronous exception support netes pending-job pricing-history metadata error-404 quickstart-guide nuget licensing web splunk direct-feed static-data starmine csv pe-code events error-handling upgrading settlement mnemonics