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