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