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