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