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