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