not sure what you mean by the "http API".
If you mean the html element, you can learn how to work with it here.
If this is not the case, please elaborate on what you mean by the http API including any possible examples, references or screenshots.
Wishlist Page is the new official platform for requesting new features. You can vote, comment, and track the status of the requested features (requests from this page will be migrated to the new Wishlist soon).