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