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