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