The WeChat SDK provides developers with development kits for both iOS and Android platforms. Both kits include the library and files required to develop third-party apps that can interface with the WeChat API.
Businesses are taking advantage of the ubiquity of mobile devices and SMS. This tutorial describes how to send an SMS message to a phone with PHP using the Twilio API. Twilio provides numerous communications services, including the ability to make and receive phone calls through the browser, mobile or desktop, send and receive SMS and MMS messages, and handle short codes.