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