Top Transactional Email Apps

SendGrid's cloud-based email infrastructure relieves businesses of the cost and complexity of maintaining custom email systems

Mailgun is a tool with powerful APIs that allow you to send, receive, track and store email effortlessly. Except, with Zapier you don't have to write any code!

Mailchimp Transactional is simple, powerful transactional email.

Postmark is specifically built to deliver your app's emails to the inbox, fast. Instantly send and receive emails with zero maintenance. Our infrastructure combined with proper content and delivery practices means higher response rates from your customers.

Amazon Simple Email Service is a scalable and cost-effective email sending service tailored for both bulk and transactional for both businesses and developers.

MailerSend is a powerful transactional email system built for developers but designed so non-tech teams can contribute without coding.

SparkPost by Message Systems is the enterprise-grade, developer-friendly email delivery service. It puts the same deliverability, scalability and speed of the world’s leading email platform in the hands of developers at companies of all sizes in an easily accessible cloud solution.

SMTP is a trusted and powerful transactional and email relay provider that allows you to send and track high volume emails effortlessly.

ZeptoMail is a developer-friendly and secure transactional email service for your applications.

All-in-one email marketing solution for SaaS, e-commerce, application and small business owners.