RealNetworks hopes wireless network operators around the globe will take advantage of its new RealTimes Stories SDK, which will allow carriers and developers to offer customers automated, cloud-based media management tools. The SDK and integrated API do most of the heavy lifting.
Popular iPhone photo-sharing app Instagram is a prime candidate for an API, which is probably why it already has one. Though documentation refers to it as an "unofficial" Instagram API, the fact that it uses the company's own servers makes it seem pretty official. Instagram has not launched the API, nor is an API linked from its home page. Yet, it has a mobile app and right column Twitter integration, both of which likely consume the API.