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