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