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