Email APIs for testing and development.

Create real, private email addresses on demand. Send and receive emails and attachments in applications and tests. Battle-tested email APIs via REST or SDK.

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Email in code

Create real email addresses on demand. Send and receive email in Javascript, Ruby, PHP, Python, Java, and more. Built for developers and QA testers to build email functionality and test email related processes.

// instantiate a client
const mailslurp = new MailSlurp({ apiKey: 'your-api-key' })

// generate randomized test email accounts
const { emailAddress, id } = await mailslurp.createInbox()

// use custom domains
const customInbox = await mailslurp.createInbox("")


MailSlurp is an email API and dashboard service for developers, marketers, and QA testers. It's free for personal use and has guides, examples, and documentation to get started.


REST API and official SDKs in several popular programming languages. But you don't need to know code to use MailSlurp. Use the online dashboard to read and compose emails and attachments visually.


MailSlurp offers powerful email functionality like on demand private inboxes, developer SDKs for sending and receiving email, HTML previews and team access.

Create Email Accounts

Unlimited inboxes on demand. Create real email addresses in code or dashboards.

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Email REST API plus SDKs in Javascript, PHP, Python, Ruby, Go, Java, and more.

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Receive Emails in Code

Fetch emails and attachment in code and tests. Use pattern matching, search, and webhooks.

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Test Email Functionality

QA test user sign-up, email notifications, account verification, attachment content and more.

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HTML Previews

Powerful online dashboard for reading and composing emails. Team access available.

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Built for Scale

Backed by scalable cloud technologies. Empower your team's email needs at any scale.

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Trusted by thousands

Join thousands of businesses and startups powered by MailSlurp. MailSlurp is free for personal use and has affordable pricing for companies of every size.