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