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