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