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.
Twilio remains one of our most popular APIs as measured by number of mashups. It is the seventh most used API in our directory. We did a review of popular Twilio mashups last year. Today we'll look at the latest mashups that make use of Twilio.
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.