websockets rrto rdp-api trep refinitiv-realtime-optimised #technology elektron-sdk python refinitiv-realtime api #product authentication ADS elektron c# fields rics connection streaming-prices #content posting token refresh error-login contributions mrn ATS java pricing forex json market-by-order disconnection update-message node-js aws ciam refinitiv-real-time-optimised python api cloud .net error chain-ric r DACS historical snapshot-pricing conflation documentation Service ADH rdp stream date market-feed testing trade log-in rmds-test-client quote rkd-api news-text-analytics javascript oauth news OMM market-price data delayed-feed batch licensing web time-stamp php eikon key java-8 ema-api rcc support container refinitiv-data-platform post rcc-api refinitiv-real-time domain request-token qos time-series stream-id elektron-data-dictionary economic-data streaming-data volume warrants credentials refinitiv-dataplatform-eikon tick-data messages logging entitlements non-interactive-provider rt-contribute perl denied-by-src api-token description closure sequence error-400 c futures status configuration sdk dss-rest-api socket-exception record-matching-api datastream symbol-list response sink-driven-source refinitiv-data-platform-libraries expiration level-2 connection-error condition-codes typescript document publishing performance error-message lpc sample-code page caching refresh-message exchange-codes angular user-interface url port-number deny-authentication soap-api FID ommconsumer market-depth ipa eta-api open-dacs asynchronous symbology ping unix stream-state error-429 race-condition eikon-data-api error-500 market-holidays api-key rfa request visual-studio derivatives rt-get datastream-api batch-request synchronous session time parser elektron-direct-feed sso ts1 setup marketpsych app-key time-out error-403 developer-community error-502 encryption exception CONTEX warm-standby eap ssl permissioning isin api-limits endpoint refinitiv-realtime-sdk workspace vpn