The Layer Node.js SDK by Layer is a wrapper for the Layer Platform API. The Layer Platform API is a platform for all types of communication for the internet, web applications, and mobiles applications. Layer allows users to build text messaging, voice messaging, and video functionality into applications for communication.
Telegram has released Telegram Bot API 2.0 which features new inline keyboards, on-the-fly message editing, and more. Inline bots have also been upgraded and can now send documents, contacts, locations, videos, MP3s, stickers, animations, and other types of content available in Telegram.
In a first for US mobile carriers, Sprint has opened up an initial set of REST services for developers to play with for free at their new developer sandbox. With these services (Sprint API profile), developers can now access location, simple presence, and send SMS messages to Sprint handsets without requiring any software installed to the device.
Last Thursday, telecom giant AT&T announced they would be opening several of their "Watson" speech recognition APIs to outside developers in June. While it may be a while before any killer apps hit the scene, a major player like AT&T getting into the speech-to-text API game should not be ignored.