Test, build, and automate messaging.

Email and SMS APIs for developers, QA teams, and marketing. Create and control phone numbers and email accounts at scale.

Trusted by innovative companies

Your email and SMS toolkit

A wide range of email and SMS features await. Use them to build applications, test with email, and automate workflows.

Email address generator: Create unlimited real email accounts. Use throwaway email addresses or permanent inboxes. Random email address APIs and temporary email address service.
Phone number pools: Generate real phone numbers across regions. Use for SMS testing, 2FA, and TXT automation. Connect webhooks and routing rules.
Email content testing: Check email content and mail client support across devices using email previews. Verify spam ratings, DMARC, DKIM and deliverability with our next generation email service. Find broken links and images in incoming emails and outbound messaging.
Reputation management: Monitor spam and bounce rates to improve email delivery in real time. Configure List-Unsubscribe and avoid blocks. Track open rates and click throughs and send from warm dedicated ip addresses.
Unique test functions: Use built-in test functions to generate disposable email accounts, wait for matching content, and extract links and code. Leverage fake mail and email address generator features.
Event automation and gateways: Email and SMS gateways process messages at scale. Create routing rules, auto-replies, message forwarding, and event trigger based webhooks.

Solve your messaging problems

No more broken messages or failing tests. Get email and SMS where in needs to go with confidence using MailSlurp.

Automate manual testing: Automate testing processes with disposable email addresses and phone numbers that can be controlled in tests and code.
Test authentication (OTP, 2FA, and more): Test any process that uses email or SMS. Automate OTP verification and 2FA flows with email sandboxes and fake SMTP servers.
Test SMS verification and communication: Use real phone numbers in tests and code to receive SMS messages. Verify OTP codes and test SMS communication.
Prevent broken emails: Improve customer conversion and email deliverability by testing email content and mail client support accross mulitple devices. Trap mail in virtual inboxes and SMTP sandboxes to prevent it reaching production.
Confirm compliance: Protect your business by confirming compliance with email standards and regulations. Verify spam ratings, DMARC, DKIM and deliverability.
Forwarding, catch-all, and webhooks: Create powerful message routing rules and catch all inboxes. Forward messages to real email addresses and process them with webhooks.

Get started in minutes with official MailSlurp integrations in a wide range of languages and frameworks.

CSharp

CypressJS

GraphQL

iOS

Java

Javascript

Kotlin

PHP

Postman

Python

REST API

Ruby

Rust

SMTP/IMAP

Typescript

Webhooks

Zapier

Get started

Unlimited email accounts and phone numbers instantly availabe. Automate messaging and tests with MailSlurp.