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