Transactional Email Software

A set of powerful APIs that enable you to send, receive and track email from your app effortlessly whether you use Python, Ruby, PHP, C#, Node.js or Java.

Take control of your transactional email. sendwithus is the missing tool for marketers to manage and optimize transactional emails.

Learn why more developers choose SendGrid for their email deliverability service to send transactional emails triggered by web apps. Get started for free

The simplest way to send transactional emails. Sidemail makes sending transactional emails trivial, it's perfect for side projects, MVPs or the next big thing.

Modify any website in real-time. Share it with the world.

Scale your business email & marketing messages with Amazon Simple Email Service (SES), a cost-effective and reliable cloud email service. Sign up today.

Create beautiful sitemaps & UI flow

All-in-one email service provider that provides maximum insight and deliverability results for both marketing and transactional emails.

Autogenerate visual sitemaps in seconds.

Postmark is the easiest and most reliable way to be sure your important transactional emails get to the inbox. Simply & reliably parse recieved email to JSON for your webapp.

Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that powers MailChimp.

RealTime Email provides email relevance by enabling marketers to respond to each recipient’s personal context.

MailChimp is the best way to design, send, and share email newsletters.