Email & SMS testing for enterprise
Deliver unrivalled quality at scale
Modernizing enterprises around the world
Accelerate your delivery
With Mailosaur’s streamlined testing platform, even the largest companies are able to release concepts faster than ever, knowing that every part is free of snags when it's time to deploy.
Protect your brand reputation
With so many things being tested everyday, it’s easy for things to slip through the cracks. Mailosaur helps you prevent the distribution of unexpected content before it’s ready.
Your business is safe with the world's leading email testing platform
Break down team silos
Invite your whole team onto one platform to allow for shared testing and product demonstrations. With Mailosaur’s shared hub, you are able to develop communications across your whole organization, with a platform built for team collaboration.
Work the way you like
Integrate with any CI platform
Seamlessly integrate email and SMS testing into any build pipeline, including support for GitHub Actions, Jenkins, TeamCity and more.
Work with your favorite framework
Write tests with tools and frameworks. Mailosaur supports all testing frameworks, Cypress, Playwright, Selenium, Robot Framework, and more.
Create tests in any language
Mailosaur's straightforward client libraries provide support for all languages, including Node.js, Java, Python, .NET, Ruby, PHP and Go.
Email, SMS, and security code testing in one place
As more products are secured with multi-factor authentication techniques, it has become harder to test them all in one solution. 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