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