The SendWithUs Java SDK by SendWithUs allows API communication to access email features that developers can integrate into marketing applications. Resources include installation via Maven and via wget. Examples present how to send a welcome email.
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.
A little less than a year after launching a private beta of the UK government's notification platform, GDS has upgraded to v2 of the associated API. GOV.UK Notify is a service that allows the government to text, email, and send letters to citizens and track the progress of such notifications.
Twilio has announced that it will acquire SendGrid in an all-stock deal that totals $2 billion, the company’s largest acquisition to date. Twilio is well-known in the developer community for their API offerings. With the addition of SendGrid’s services, Twilio gains an already robust email service.