Build, test & automate messaging

Control email and SMS in code and no-code dashboards. Test apps end-to-end, build automations, and supercharge your marketing.

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const MailSlurp = require('mailslurp-client').default;
const mailslurp = new MailSlurp({ apiKey: process.env.API_KEY!! });
// create an email address
const { id, emailAddress } = await mailslurp.createInbox();
expect(emailAddress).toContain('@mailslurp');
// get emails for an inbox
const emails = await mailslurp.getEmails(id);
expect(emails.length).toEqual(0);

Easy integration

Quickly connect inboxes and phone numbers in any language or framework.

SMS and Email APIs

Create random email and phone numbers on demand. Then send and receive email and SMS in code, tests and online dashboards. A mail generator for devs and QA teams.

Email client support testing

Detect and compare email HTML/CSS/image support across multiple email clients and devices. Improve your email support and engagement on multiple devices, platforms, and mail clients including Apple Mail, Gmail, Outlook, and more.

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No credit card required

Use cases

Test end-to-end

Test applications using real email and SMS. Verify sign-ups, test password resets, and validate user notifications.

Build automations

Use webhooks, forwarding, proxies, auto-replies, and routing rules to build powerful messaging workflows that integrate with your systems.

Unlock marketing

Verify email addresses and phone numbers. Send and receive emails and SMS. Monitor reputation and deliverability.

Product Features

Inbox API

Create unlimited email address inboxes. Supports custom domains.

Email API

Send and receive emails and attachments in code and tests.

SMS/TXTInbound SMS/TXT

Process and test inbound SMS at scale with real phone numbers.

APIs & SDKs

REST and SMTP APIs plus native SDK libraries in many languages.

WebhooksEvent Webhooks

Process email events at scale with queue-backed HTTP webhooks.

VerificationEmail address verification

Verify email lists. Reduce spam and increase deliverability.

DeliverabilityReputation management

Monitor bounces, complaints, and sender reputation.

RoutingRouting & forwarding

Create complex email routing rules for forwarding and automation.

Email proxy

Protect your mail address behind proxied email accounts.

E2E testingEnd-to-end email testing

Test with real email using Cypress, Selenium, Robot and more.

Auto reply

Automated email reply and out of office responses.

Mail catchVirtual inboxes

Trap mail when sending to prevent any emails reaching your customers.

Quick start guide

Developer Toolkits

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

See more integrations

CSharp

CypressJS

GraphQL

iOS

Java

Javascript

Kotlin

PHP

Postman

Python

REST API

Ruby

Rust

SMTP/IMAP

Typescript

Webhooks

Zapier

Fix your pain points

Problems solved

No-code dashboards and developer integrations that let you test applications before they break, automate painful workflows, and avoid the dreaded spam folder.

Try it for free

No credit card required

Testing guides

Use real emails and phone numbers in your integration tests.

CypressJS email testing

Browser based integration testing in NodeJS using real email addresses.

Testing user sign-up

Use Playwright to test application sign-up and auth flow verification codes.

Build, test & automate messaging

Easy integration

SMS and Email APIs

Email client support testing

Use cases

Test end-to-end

Build automations

Unlock marketing

Product Features

Developer Toolkits

Fix your pain points

No more broken signups

Avoid manual frustration

Bypass the spam folder

Problems solved

Testing guides

CypressJS email testing

Testing user sign-up

Selenium integrations

Frequently asked questions

What languages and protocols are available?

Can I send email campaigns?

Does it support email testing?

Which regions support SMS?

Is there a free plan or trial?

Can MailSlurp handle my use case?

How does the email api work?