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