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