MKAbeFook for Facebook. Uses the WebKit browser with asynchronous requests, photo uploads, and much more. It can call any API method and returns the result in standard Cocoa types. It is distributed under a BSD style license.
With APIs becoming more and more prominent, a growing number of companies are finding success with API-only or API-centric offerings. So is building customer-facing applications a thing of the past? While there is good reason to believe that the trend toward API-focused companies will continue and even accelerate, there are still virtues to building end-to-end solutions.
Snapchat, which recently surpassed Twitter in daily usage, has unveiled an API that allows advertisers to purchase Snapchat ads programmatically and at scale. Part of a broader launch of new ad offerings, Snapchat's Ads API could help the company grow its ad revenue and pave the way for an IPO.