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