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