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