Real inboxes and phone numbers. Built for code, tests, and agents.

Create email addresses and phone numbers on demand. Test OTPs and message flows, connect agents and automations, preview every email, and see where it lands.

Get started See how it works

Trusted by top companies worldwide

src/create-inbox.ts - MailSlurp

TScreate-inbox.ts

tests/e2e/create-inbox.ts

1import { MailSlurp } from "mailslurp-client";

3const mailslurp = new MailSlurp({ apiKey });

4const inbox = await mailslurp.createInbox();

6inbox.emailAddress;

7// "qa-482917@mailslurp.com"

Programmable email addresses and phone numbers.

Create, reserve, and control real inboxes and phone numbers from code or the web app. Send and receive messages, keep long-lived identities, or create a fresh one for every test.

Get started

Gmail, Outlook, and MailSlurp inbox collection

Connect Gmail, Outlook, custom domains, and unlimited inboxes

Use hosted MailSlurp addresses, connect existing providers, or create inboxes on your own domains.

Email and SMS routing to spreadsheets, databases, and code

Connect messages to agents, databases, web apps, or anywhere else

Move inbound email and SMS into the tools and data stores that need to act on them.

Developer connecting email automation and routing

Add webhooks, auto-replies, forwarding, and AI routing

Trigger code when messages arrive, forward conversations, and automate the next response.

See how it works

Playwright signup test

$pnpm test tests/signup.spec.ts

Creating a MailSlurp inbox and phone number...

Triggering signup in the browser...

Waiting for the verification SMS...

MailSlurp listener is ready

Test email and SMS end to end.

Create a real test identity, receive the OTP or link, submit it in the browser, and keep the result with your CI run. Test the flow your customer actually uses, not a mocked shortcut.

Get started

Successful email and OTP checks in a CI pipeline

Fit message checks into test suites and CI/CD pipelines

Run deterministic email and SMS checks before a pull request can be merged or released.

Development, staging, and production MailSlurp environments

Separate development, staging, and production access

Give teams shared dashboards, isolated environments, roles, and advanced permission controls.

Testing framework and programming language integrations

Use powerful test helpers across the frameworks you already run

Work with Playwright, Cypress, Selenium, Postman, Java, Python, JavaScript, and more.

See how it works

Device rendering and deliverability in one workflow.

Preview emails on Gmail, Outlook, Yahoo, Apple Mail, iPhone, Android, desktop, and dark mode. Catch rendering and delivery problems before they reach customers.

Get started

Outlook placement result showing an email delivered to spam

Test inbox placement against real provider mailboxes

See whether email reaches inbox, promotions, or spam across Gmail, Outlook, Yahoo, and Apple Mail.

Sender health score with SPF, DKIM, and DMARC status checks

Monitor authentication, reputation, and blocklists

Track SPF, DKIM, DMARC, MX records, sender health, spam risks, and domain changes.

iPhone, iPad, and MacBook showing Gmail, Outlook, and Apple provider icons

Real devices and providers to test with

Control device rendering from your team dashboard or API.

See how it works

Delivery intake

deliveries@company.test

Listening

Messages0 received

Turn email and SMS into structured data.

Use AI or content schemas to turn messages and attachments into predictable fields, labels, and tables. Send the result to agents, databases, spreadsheets, or your own application.

Get started