How to write a method in ruby ​​that sends text to a url address and receives a response?

Question

ruby

You need to write a method that sends a POST text with a request to a specific URL like ( 123.32.23.111/test and get a response in the form of JSON.
Perhaps the Net:: HTTP library is suitable for this, but I'm not sure, advise the newbie an article or resource where this is described. In advance thank you