A new kind of transactional messaging service designed for developers to work faster and smarter with a powerful infrastructure to scale quickly.
Cost / License
- Freemium
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- WebApps




Sendgrid is described as 'Scalable email delivery for transactional email SendGrid transparently handles DKIM, SPF, ISP rate limits, content inspection, bounces, and spam reports to help users achieve higher deliverability. SendGrid integrates in minutes by just changing three SMTP settings' and is an website in the office & productivity category. There are more than 100 alternatives to Sendgrid, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Windows and Mac apps. The best Sendgrid alternative is Mailchimp, which is free. Other great sites and apps similar to Sendgrid are Brevo, Mailgun, Maillayer and Swift Missive.
A new kind of transactional messaging service designed for developers to work faster and smarter with a powerful infrastructure to scale quickly.




Plunk is the affordable, developer-friendly email platform that brings together marketing, transactional and broadcast emails into one single, complete solution.
Yournotify is an email and sms marketing platform for customer engagement. We help brands build better customer communication and engagement with our easy to use marketing platform to grow their business.


Emailit is a versatile email sending platform catering to both marketers and developers. It offers flexible sending options through SMTP integration and a REST API, ensuring seamless integration with existing applications and software.


JangoSMTP lets you send transactional emails via SMTP or API. It's the first transactional email service to offer open and click tracking.




All in one email delivery platform that includes an SMTP Relay, API, and a full suite of tools via the browser based UI.
KingSMTP is a transactional SMTP relay for SaaS, forums, and e-commerce. Send email notifications reliably with a clean IP, no KYC, and crypto payments accepted — including Bitcoin and Monero.




Straightforward SMTP email delivery. Sendamatic was created for those who need to send high volume, high quality transactional emails at an economical price.

The open source mail server - Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready for you to run on your own servers.




Experience the future of outbound email marketing with Show. Leverage AI technology to create compelling campaigns, enhance response rates, and exceed your email conversion goals.
Easily create and send newsletters to promote your discount coupons, promotional operations, product releases, events... then analyze your opening and click statistics and stimulate your revenue growth !



SendStreak is a scalable, cost-effective email platform that lets businesses connect their own email servers for high-volume email automation and more.



I don't need all the fancy Sendgrid features, just cheap reliable email