edp research api elektron api elektron symbology esg elektron data platform token_authentication token research websocket ETA dead subscription ipa api ert in cloud #edpapi oauth2 elektron data plat datafields subscription fields cfs ert news subscription refresh token historical data metadata hedd deletion futures upa elektron apis 403 response intraday-summaries update message retrieve data ema views starmine request not getting through raw data password change eta consumer method cloud aws beta refinitiv search electron data platform clear parameters rdp ipdp post pricing n2_ubms badrequest news eikon api java sdk access platform fid 4268 data quality xmalib ric transformation delete ric ssl certificates elektron sdk - java mk_phase python interday-summaries elektron_dd create id rfa trading status market data company research reports raw fields python api eikon eta api tutorial elektrontimeseries elektron websocket api how to get only increments for volatility edp historical pricing data websockets adh connect to ert in cloud schema file for edp research data javascript monitoring subscription multiple rics authentication bonds c# urlencode authentication token currency pricing source ts1 suse we see reuters api convert websocket api equity option chains rfa8.0 csv qos