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