I want to turn Algo into something that a user can set up from their phone. Technical plumbing aside, do any of those hosting providers provide a billing API th

I want to turn Algo into something that a user can set up from their phone. Technical plumbing aside, do any of those hosting providers provide a billing API that allows users to add payment methods? It would be pretty sweet if you could download an app, enter billing information and get a super fast private proxy.