I've pulled some data from a sheet into a python notebook by copy-pasting some code I've found. Sure, these are proprietary APIs, but how else would you talk to

I've pulled some data from a sheet into a python notebook by copy-pasting some code I've found. Sure, these are proprietary APIs, but how else would you talk to a proprietary web service? Disclaimer: despite working for Google, I don't know that much about the suite.