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