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