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