I'm trying to access the Nest API using REST from an embedded controller that doesn't have a Firebase library installed. There is NO way to install a Firebase library and the Nest docs seem to indicate that I should use REST API. I've gotten pretty far through the authorization process even though I receive a ton of HTTP page data and no json that I can discern. The docs talk about a wss: web socket but there's sparse information.
How can I use REST API to send https:// data (I'm using POST) and get the pertinent json data back rather than a huge web page?
I hope this question is clear. Basically, I don't have a web browser, I have to build everything myself in the embedded system.