The AT&T Android SDK is a development kit for multiple AT&T APIs i.e. Speech, Advertising, Address Book, and In-App Messaging, written in Java. This SDK provides developers a way to integrate these APIs with their mobile applications using Java.
CallME's RESTful click-to-call API allows you to integrate Click-to-Call into your website as connect any phone number to another number easily. The service provides calling from a browser, voice messaging and a few other telephony features.
Medentify seeks to serve as a third party reputation curator. Reputation is a key component of our social fabric because it is the basis for trust which is required for any relationship. The Medentify API will allow any site to tap into a shared reputation repository.