SendGrid Newsletter API

SendGrid Newsletter
SendGrid's cloud-based email helps keep emails out of spam folders, provides a cloud service that scales with email demands, and provides email analytics to track opens and clicks. SendGrid’s Newsletter API allows users to access data and interact with the Newsletter App portion of the SendGrid product. Developers have the ability to manage Newsletters, Lists, Identities, and Schedule delivery events. It uses HTTP calls and responses are formatted in JSON and XML.