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