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