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