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