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