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What is MailSlurp?

APIs and dashboards for developers, Q.A. and marketing teams to build messaging workflows, write tests, and improve deliverability.

Messaging

Create and control unlimited email accounts and phone numbers.

Inboxes

Create disposable and permanent inboxes on demand. Use aliases, plus-addresses, custom domains and external connections to Gmail, Outlook, and more.

Explore email

Mobile

Connect real mobile numbers (non-voip) from dozens of countries and mobile networks. Send and receive SMS/MMS at scale with high quality numbers and reliable infrastructure.

Explore phone numbers

Testing

Test applications and workflows end-to-end with real email and SMS

Test OTP/MFA end-to-end

Use real email accounts and phone numbers to test critical application flows like user sign-up, email verification, password reset, and more.

Explore E2E testing

Load test email & SMS

Create parameterized load test cases then execute with industry tools like JMeter and K6. Time, test, and simulate messaging load.

Explore load testing

Delivery

Improve delivery and domain reputation automated spam-tests and inbox warm-up

Automated spam-tests

Test inbox placement and spam scores across a broad collection of professional and personal email accounts on Google, Outlook, Yahoo, iCloud and more.

Explore inbox placement

Inbox warm-up

Fix sender reputation and delivery with automated warm-up and spam filtering. Never land in the spam folder again.

Explore deliverability testing

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.

Flexible integration patterns

CI/CD Native

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

Validation

Preview and inspect email content across devices and providers.

Real device rendering

Preview emails on mobile, tablet, desktop and common mail providers like Gmail, Outlook, and more.

Explore device rendering

Email audit

Find broken links, template errors, and missing images fast. Audit HTML and CSS for compatibility against a vast database of client features.

Explore email audit

Transformation

Extract structured data from emails and attachments using AI and OCR

AI Transformers

Define outputs with JSON schemas or AI prompts and extract structured data from emails and attachments.

Explore AI transformers

Data pipelines

Connect smart data extraction with webhooks, forwarding and connections to Google Sheets, and popular data sinks.

Explore routing automation

Identity

Email intelligence and phone number lookup

Verify and clean

Clean email lists and verify email accounts. Improve sending and flag high risk customers.

Lookup and enrich

Lookup phone and email entities for customer insights and corporate intelligence