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