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