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