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