Maintain high quality, compliant products
Test banking alerts, two-factor authentication, account updates and more. Ensure bulletproof quality with zero surprises.


Trusted by businesses of all sizes



Keep financial communication fast and flawless
Validate fraud notifications, payment confirmations and more, replicating the customer journey end to end.

Built for fast-moving teams
Financial communication is high-stakes. From onboarding to account security, customers expect instant, accurate, and secure information - while regulators demand proof you’re getting it right.
Mailosaur helps QA, DevOps, and security teams test end-to-end flows across email and SMS, so you stay compliant, reduce risk, and move faster without cutting corners.

How leading finance teams levelled up QA with Mailosaur
OakNorth
See how fintech OakNorth used Mailosaur to test their emails, SMS and particularly OTPs with Mailosaur.
NovemberFirst
November First chose Mailosaur to automate E2E email testing for their software development team.
Coupa
With Mailosaur, Coupa has found their ideal solution to capture and analyze emails automatically, and improving their email security.
Ready to learn more?
Get started with a free demo or 14-day trial
With a free trial and easy integration, you're minutes away from seeing how Mailosaur could be the answer to your testing needs.


Prevent a mistake that could cost millions
Minor messaging errors can have major consequences. Mailosaur lets you test every email and SMS - verifying links, deliverability, attachments and more - so your communications are airtight, accurate, and always professional.

Automate testing for faster releases
Manual testing slows teams down - and finance moves fast. Mailosaur lets you automate end-to-end testing for email and SMS, so you can release updates, features, and fixes faster - without compromising on quality, security, or compliance.


Don't just take our word for it...
We highly recommend Mailosaur to any QA and development team seeking to optimize their testing processes for email and SMS functionalities.


Security you can rely on
Along with the highest standard of physical security and environmental controls, all of our systems are protected by up-to-date encryption protocols, cipher suites, and encrypted at rest using AES-256. Mailosaur is also ISO27001 certified, and PCI DSS compliant.
Works with any stack
Mailosaur provides official libraries and plugins for all major programming languages and test frameworks.
Ready to get started?
Get in touch or create an account
Reach out to our friendly team, or start your 14-day free trial and see how Mailosaur could transform your testing.