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