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