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