Email infrastructure for apps, tests, and inbox operations

Create inboxes on demand, receive email and attachments, send through API or SMTP, connect custom domains, and route inbound mail into your application with webhooks, forwarding, and rules.

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Trusted by top companies worldwide

Unlimited programmable email accounts

Provision instantly and at scale. Use custom domains, plus-addressing, aliases and Gmail/Outlook connections. Then control from code, tests and dashboards.

MailSlurp (examples)

// create mailslurp client
const { MailSlurp } = require('mailslurp-client');
const mailslurp = new MailSlurp({ apiKey: process.env.API_KEY });

// create inboxes
const inbox1 = await mailslurp.createInbox();
const inbox2 = await mailslurp.createInbox();

// send email
await mailslurp.sendEmail(inbox1.id, {
  to: [inbox2.emailAddress],
  subject: "Test",
  body: "<span>Hello 👋</span>",
  isHTML: true
})

// receive email using wait methods
const email = await mailslurp.waitForLatestEmail(inbox2.id, 60000, true)
expect(email.body).toContain("Hello")

// list emails in inbox
const emails = await mailslurp.inboxController.getInboxEmailsPaginated({inboxId: inbox2.id})
expect(emails.numberOfElements).toEqual(1)

Powerful APIs + SDKs

Send and receive emails and attachments from anywhere. Build powerful messaging pipelines and automations using native SDK libraries, REST APIs, SMTP/IMAP and more.

MailSlurp (examples)

// create mailslurp client
const { MailSlurp } = require('mailslurp-client');
const mailslurp = new MailSlurp({ apiKey: process.env.API_KEY });

// create inboxes
const inbox1 = await mailslurp.createInbox();
const inbox2 = await mailslurp.createInbox();

// send email
await mailslurp.sendEmail(inbox1.id, {
  to: [inbox2.emailAddress],
  subject: "Test",
  body: "<span>Hello 👋</span>",
  isHTML: true
})

// receive email using wait methods
const email = await mailslurp.waitForLatestEmail(inbox2.id, 60000, true)
expect(email.body).toContain("Hello")

// list emails in inbox
const emails = await mailslurp.inboxController.getInboxEmailsPaginated({inboxId: inbox2.id})
expect(emails.numberOfElements).toEqual(1)

Integrate MailSlurp Seamlessly

Integrate with any framework

Official plugins and SDKs for all major programming languages, frameworks, and test platforms. All functionality available via API or dashboard.

CI/CD Native

MailSlurp fits right into your existing development, testing, and CI/CD workflows. Deploy and iterate with confidence and actionable feedback.

Developer Integrations

Rendered email previews for release evidence

Turn delivered emails into release evidence

After MailSlurp captures the real message, audit links, images, sender authentication, and rendered previews across inbox clients. Keep the final email, message IDs, and preview checks attached to the test run before customers see the workflow.

Start email testing Explore email audits

Packed with features

Advanced APIs and functionality for automations, data extraction, and routing.

Permanent or throwaway

Email accounts on demand as permanent email addresses or dummy mailboxes.

Handles scale and load

Provision millions of email accounts instantly. Process huge email volumes at scale with our cloud-native scalable infrastructure.

Custom domains and aliases

Bring your own domains or use a pool of MailSlurp endings. Leverage aliases, catch-alls and plus-addressing plus precise control.

Connect external accounts

Manage multiple Gmail and Outlook accounts from one interface and utilize MailSlurp's extensive API functionality.

Webhooks and forwarding

Process emails and attachments at scale with resilient webhooks and pattern matching forwarding.

Read the email to webhook guide

Extract data with AI and OCR

Use prompt-based or JSON schema definitions to transform emails and attachments into structured data.

Video walkthroughs

Send and receive Gmail from a terminal

Read email in a terminal with IMAP and Telnet

Send and receive email in Python with SMTP and MailSlurp

Send and receive email in Node.js and JavaScript

Global messaging scale

Emails processed

500 million+

Infrastructure that scales.

Mobile networks

20+

Leverage global telecom networks.

Mature platform

10+ years

Stable and dependable.