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MailSlurp testing platform for email and SMS workflows

Test message-critical product flows with real email and SMS

MailSlurp gives product, QA, and engineering teams one place to run auth journeys, notification checks, campaign QA, and deliverability-aware release checks.

Trusted by top companies worldwide

  • Broadcom
  • Scraper
  • Trivago
  • Avast
  • Wolt
  • Panasonic
  • Broadcom
  • Scraper
  • Trivago
  • Avast
  • Wolt
  • Panasonic
Real-channel testing workflow with inbox and phone checks

Assert message content, timing, links, codes, and attachments

Use real inboxes and phone numbers for every run instead of reusing shared accounts or stopping at simulated provider responses.

Message testing release gate workflow

Connect auth, notifications, rendering, and sender checks

Give engineering, QA, lifecycle, and release owners a shared view of the message paths that matter before a launch.

Testing workflows MailSlurp supports

Test what users actually receive across auth, transactional, campaign, and cross-channel workflows.

Auth journeys

Validate magic links, OTP, MFA, and recovery flows with real inboxes and phone numbers.

Open auth testing

Transactional notifications

Assert signup, reset, invite, billing, and operational messages from end to end.

Open integration testing

Email rendering

Preview customer-facing templates across clients and devices before they reach users.

Open rendering checks

Campaign QA

Catch broken links, missing images, and sender-readiness issues before important sends.

Open campaign QA

Email and SMS together

Run one testing workflow when signup, recovery, or MFA spans both channels.

Load and reliability checks

Measure message-dependent flows under stress and connect release checks to sender-health review.

Open reliability

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.

Video walkthroughs

Read email in QA tests with Tricentis Testim

No-code automation email testing tutorial

Playwright quick start guide for browser integration tests

Email and SMS testing and automation guide

Global messaging scale

Emails processed

500 million+

Infrastructure that scales.

Mobile networks

20+

Leverage global telecom networks.

Mature platform

10+ years

Stable and dependable.