...te app key on web access and while I'm trying to run the app key code on jupyter notebook it's showing the error(kindly refer image below)
Eikon Data APIs require Eikon API Proxy running on the same machine. Eikon API Proxy is available as part of Eikon desktop application on Windows and as a standalone app on MacOS. Eikon API Proxy is not available for Linux. In other words Eikon Data APIs cannot be used with Eikon Web on Ubuntu.