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 etf sedol expiration date qualifier eikon-data-api eonia asynchronous commodities legacy azure price-history delayed-feed rest_api condition-codes performance exchange-codes time-stamp proxy dss rest api volume permissioning bulk-download request usage corporate-events lipper error-400 venue-by-day ssl time-zone error-500 maturity calendar fix-protocol trbc linux events timeseries jar environment error-message multi-threading rdms reports time refinitiv-realtime netes deserialize forwards pricing-history error-404 visual-studio error-502 issue python api configuration euribor matlab node-js oauth model-view-controller pe-code hardware exchange-holidays handshake stream ric tls settlement api-token support mnemonics synchronous credentials licensing web world-check direct-feed page static-data exception csv request-token filter documentation splunk yield treasury rest api trade starmine error-handling trth-rest-api upgrading orhpaned-instrument web-services spread rdp-api pending-job error-408 sql vba polling metadata gui example nuget tick-data connection-error delphi repo url