edp research api elektron api rdp symbology esg elektron python research token_authentication websocket elektron data platform token datafields subscription fields cfs ert news authentication token subscription refresh token historical data ETA dead subscription ipa api ert in cloud #edpapi oauth2 elektron data plat elektron sdk - java mk_phase ss create id elektron_dd interday-summaries market data rfa trading status datastream raw fields company research reports tutorial python api eikon eta api data fields elektrontimeseries elektron websocket api how to get only increments for volatility python api ipa fx cross currency websockets edp historical pricing data adh connect to ert in cloud schema file for edp research data historical self signed certificate in certificate chain javascript monitoring subscription decoder multiple rics authentication code 500 c# bonds urlencode field descripiton currency suse pricing source error message ts1 we see reuters api convert holiday websocket api rfa8.0 equity option chains qos csv Download futures hedd metadata deletion 403 response upa elektron apis rssl update message intraday-summaries retrieve data ema datastream in python raw data starmine views request not getting through json password change eta consumer ibes method aws cloud beta python eikon surface of volatility refinitiv search electron data platform decoder python parameters clear internal server error ipdp eikon post historical price pricing decodesqsqueue n2_ubms badrequest access company news news eikon api java sdk platform fid 4268 data quality market xmalib ric transformation ssl certificates delete ric