How to get meteor package info via HTTP?

I want to give a package name and a package version and get a JSON document describing the package, specifically its dependencies. Any ideas?

There is a package API available but it’s for DDP

saw that, and I connected to it successfully with DDP.connect('https://packages.meteor.com/') but I didnt know what to do next… What Meteor.methods or Meteor.subscribe are exposed to this connection?