Email and SMS Workflow Testing

Mailinator allows Developers and QA Testing teams to automatically test workflows like 2FA verifications, sign-ups, and password resets with trillions of inboxes at your fingertips. Whether you do Manual Testing, use an API, or a framework like Selenium, Cypress, Playwright, or Puppeteer - Mailinator will close the loop on email/SMS testing.

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Mailinator is Your Private Message Routing System

QA Testers and Developers around the globe use Mailinator to route email and SMS messages with an ever-growing set of features, including webhooks and our API. 

Mailinator chart of technical features

Application Features

Mailinator offers a robust feature set to ensure that your email and SMS workflows remain intact and operational.

Quality Assurance

Utilize Mailinator to perform your QA testing on your email delivery systems, without risking sending to a real-life audience.

Email Receipt Testing

Verify that you bulk email delivery services are working as intended with Mailinator’s public inbox.

Load Testing

Test the resiliency of your email systems by performing load testing in a safe, development environment with Mailinator.

Email Interactions

Transform how you communicate with customers by utilize our platform to develop and test email and SMS interactions.

Mailinator's Free Disposable Email

Mailinator still offers a 100% free, public disposable email system. You can use any address and check those public inboxes by entering the public inbox in the field below.

Mailinator Subscription Plans




Per month
  • Ideal for a single user looking to gain efficiency for automating the testing of their workflows with the benefit of a private domain.



Per Month [Starting At]
  • Enterpise plans are custom built for your unique needs. This plan can accommodate high volumes, custom features, custom terms, or bespoke onboarding support.

Recent Blog Posts

Mailinator Private Domains

The Public Mailinator system has always had a privacy policy somewhere along the lines of “There is No Privacy”. (see our Privacy Policy page for the more comprehensive version). It’s no wonder then we call that part of the system “Public Mailinator” — the design of the system itself doesn’t allow privacy. Every inbox is [...]

New Java SDK

Use Java with Mailinator's API! We recently launched a new API with a new format and additional functionality. We’re excited about the adoption rate by our customers — thank you! Now we are happy to announce that Mailinator now has an official Java SDK for accessing the Mailinator API! To use the library, add this [...]

Mailinator For Testing – new API to Fetch Links

Mailinator has always been an excellent tool for testing your system’s emails. It allows customers to instantly have an infinite number of Private Inboxes which they can access via Web, API, or via Mailinator’s Rule System. One of the primary use cases for that is the “click the links” in those emails to close the [...]

Announcing Our New JavaScript REST API Client

Our new JavaScript REST API client is now available for use in your applications. It is built on Microsoft’s Typed REST Client with unit tests included. All the code as well as usage examples to get this up and running in your application can be found at the following location: For more information about the features of [...]