Free Transactional Email Service

Stop struggling with SMTP server

Zender is a cloud-based solution that sends transactional and marketing emails, allowing customers to focus on their business, instead of their email infrastructure. "Send unlimited number of emails, no credit card needed"

Integrate in Minutes

Zender is a Free Email Delivery Service

Zender has been built from the ground up as a Web API. It is built to serve developers, marketers and make it easy to send email. You can send email over HTTP, and even use one of our official client libraries. In just a few minutes, you can send your first email and thousands more.


With Zender you can send transactional email messages to your users. Some examples of transactional emails include account setup emails, password reminder emails, purchase receipts, shipping notifications, etc.


Thousands of customers, from small e-commerce shops to big online retailers, use Zender to reach their customers and grow their business.


Zender is great because of how easy it is to create new emails programmatically. You can use it to send emails from your application.

Check our API Libraries