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