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