Description: Mailchimp Transactional API | Mailchimp. Deliver to Inbox when it matters.

Description: Mailgun Technologies. Powerful Transactional Email APIs that enable you to send, receive, and track emails, built with developers in mind. Learn more today!

Description: Mailjet - Email Delivery Service for Marketing & Developer Teams. Streamline your emailing and boost your sales with Mailjet. We serve all your email and SMS needs with one simple and powerful service.

Description: Amazon Simple Email Service | Cloud Email Service | Amazon Web Services. Amazon Simple Email Service (SES) is a cost-effective, flexible, and scalable email service that enables developers to send mail from within any application.

Description: Postmark: Application Email Service with Exceptional Delivery. Trusted by thousands of developers, Postmark is a fast and reliable application email service. Send with Postmark to ensure your emails get to the inbox on time, every time.

Description: Email Delivery Service. Delivering your transactional and marketing emails through the world's largest cloud-based email delivery platform. Send with confidence.