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