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Send and receive emails from randomly generated addresses via REST.

Test email verification with MailSlurp
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How to test emails with MailSlurp

End-to-end email testing made easy. See examples.

Create new inboxes during tests

Create unique users with real email addresses during end-to-end and integration tests.

Send and receive via REST

Send real emails from randomized accounts. Read inbound messages in real-time.

Test real functionality

Test user signup, email verification, notifications, from AWS Cognito, Firebase, and much more. Use cases.

A Real Quote
MailSlurp helped Daisy test email integration in her app

"MailSlurp changed the way I test code."

— Daisy Blob, Seaside Studio
It's FREE!

That's right, it's totally free. For hosted solutions and custom domains please contact sales.

See it in action

We use it to test the AWS Cognito sign-up process on this very site!

See use cases
Read the docs

Our simple REST API is very well documented.

API Documentation
Test password reset emails
Test MailChimp, MailGun, SES, Cognito, Firebase and much more
Test newsletter scheduling
Test email verification codes
Test app notifications
Test HTML email rendering
Test automated responses

Test everything email with MailSlurp.