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