Fortytwo IM Gateway REST Java Sample Codes by Fortytwo provides developers with samples to make simplest request, multi destination, viber only with SMS fallback, multi IM channels with SMS fallback, and more.
Move over, Instagram API, there's a new hotness. In a similar way that developers sought out Instagram, photo tagging site Pinterest has its share of API sniffers and unofficial wrappers. That and the official Pinterest API is said to be coming soon.
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.