This library written in Ruby provides a Ruby wrapper for the SendGrid Newsletter API. SendGrid's Newsletter API allows users to access data and interact with the newsletter app portion of the SendGrid product.
SendGrid, a leading cloud-based email service, has announced that the company has joined the Google Cloud Platform Partner Program giving App Engine developers a trusted third-party and non-native option for adding transactional email management and delivery services to their applications. In addition, Google App Engine customers will have access to SendGrid APIs, real-time analytics and reporting all of which are powered by Google services infrastructure.
As a developer, you can figure out how to make your program connect to Facebook, Twitter, SMS, and Email. Or you can use the Embarke API and connect just to Embarke, a messaging platform that connects you to them all. You can skip learning the specifics of how to connect to each of them. The REST API's website has a five minute tutorial video on how to use this gateway to its developer tools for social communications.