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