websockets rrto rdp-api trep refinitiv-realtime-optimised elektron-sdk refinitiv-realtime #technology python api authentication #product ADS elektron c# rics fields connection streaming-prices posting token #content refresh contributions mrn pricing forex error-login java node-js aws ATS refinitiv-real-time-optimised update-message market-by-order chain-ric r cloud disconnection .net python api quote rkd-api javascript data news OMM testing delayed-feed batch licensing error historical documentation rmds-test-client snapshot-pricing conflation news-text-analytics Service date market-feed market-price json trade log-in DACS post rcc-api qos domain time-series stream-id container rdp elektron-data-dictionary stream economic-data rcc warrants credentials tick-data web request-token time-stamp eikon key oauth streaming-data refinitiv-dataplatform-eikon messages support publishing perl api-token stream-state unix closure sequence rfa eikon-data-api user-interface market-depth symbol-list response refinitiv-data-platform-libraries expiration connection-error time parser synchronous document refinitiv-real-time java-8 sso lpc app-key ts1 refresh-message encryption error-500 url error-502 deny-authentication exception FID ommconsumer eap CONTEX api-limits request datastream-api open-dacs refinitiv-data-platform asynchronous description ping logging entitlements denied-by-src setup race-condition volume market-holidays error-400 status c api-key futures level-2 record-matching-api dss-rest-api sink-driven-source warm-standby derivatives rt-get workspace batch-request condition-codes session typescript caching elektron-direct-feed performance page error-message non-interactive-provider rt-contribute marketpsych sample-code time-out developer-community exchange-codes angular port-number configuration ipa socket-exception datastream permissioning isin endpoint symbology refinitiv-realtime-sdk php