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