The MessageBird Python Library by MessageBird allows developers to integrate the MessageBird API's methods into their Python projects and applications. This library has been tested with Python 2.7 and Python 3.4.
Facebook has announced the release of a new beta API that will provide businesses with a method for offering its customers simple follow-up information. The new Messenger One-Time Notification API is designed for situations like price drops of merchandise or changes in availability.
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.