Email & SMS testing for startups
The scalable testing platform that can keep up with you
Trusted by the big businesses of tomorrow
Build quicker than the competition
We understand that your developers’ time is too important to waste. With Mailosaur, build end-to-end tests in minutes not days, and improve quality standards to get your business ahead of the competition.
Always moving your business forward
Your testing infrastructure should accelerate your business, not slow you down. Empower your team with a solution that solves some of the most complex testing scenarios, rather than maintaining your existing infrastructure.
Work the way you know
Integrate with any CI platform
Seamlessly integrate email and SMS testing into any build pipeline, including support for GitHub Actions, Jenkins, TeamCity, and more.
Use your favorite framework
Write tests with the tools and frameworks you know. Support for all testing frameworks, including Cypress, Playwright, and Robot Framework.
Test in any language
Mailosaur's straightforward client libraries provide support for all languages, including Node.js, Java, Python, .NET, Ruby, PHP, and Go.
Centralize tests that rely on communication
Reliable communication testing
With millions of messages tested every single day, you’re in safe hands with the world’s most powerful email and SMS testing platform.
Email and SMS testing in one place
With Mailosaur, you only need one platform for full end-to-end coverage to streamline your testing process.
Our products
Everything you need to test customer communication
Email testing
Create end-to-end tests that rely on email. Test account verification emails, password resets, email tracking, and more.
Email previews
Instantly see how your email will look to any recipient, no matter what email client they use, so there are no nasty surprises.
SMS testing
Build text messages that work. Create end-to-end tests that cover identity verification, alerting, promotional messages, and more