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