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