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