Some registrars such as Badger have APIs that should let you do this. (http://badger.github.io/account/ http://badger.github.io/account/). Edit: They allow cre

Some registrars such as Badger have APIs that should let you do this. (http://badger.github.io/account/ http://badger.github.io/account/). Edit: They allow creating an account and using it programmatically; not sure about the oauth aspect, though.