Inboxes
Create disposable and permanent inboxes on demand. Use aliases, plus-addresses, custom domains and external connections to Gmail, Outlook, and more.
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.
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.
Messaging workflows
Use one control plane for programmable inboxes, message routing, notifications, and customer-owned email paths.
Mail catch
Capture outbound and inbound email safely during development, staging, and release checks before messages reach customers.
Email API
Build programmable inbox, sending, receiving, and webhook workflows with REST, SMTP, IMAP, and SDK support.
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.
Load test email & SMS
Create parameterized load test cases then execute with industry tools like JMeter and K6. Time, test, and simulate messaging load.
Email load testing guide
Plan realistic load tests for signup, reset, invite, and notification flows that depend on real email or SMS delivery.
k6 email and SMS tests
Run k6 scripts that create inboxes, send messages, wait for replies, and measure verification-path latency under load.
Delivery
Improve delivery, sender health, and campaign readiness with repeatable inbox evidence.
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.
Inbox warm-up
Fix sender reputation and delivery with automated warm-up and spam filtering. Never land in the spam folder again.
Domain monitoring
Track DMARC, SPF, DKIM, MX, and sender-domain drift before migrations, vendor changes, or launch windows create incidents.
Campaign probe
Audit recurring campaign streams with probe addresses that catch broken links, missing images, and template drift over time.
Sender monitoring
Monitor message workflows, sender health, and delivery drift so teams can catch silent failures before customers do.
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.
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.
Email audit
Find broken links, template errors, and missing images fast. Audit HTML and CSS for compatibility against a vast database of client features.
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.
Data pipelines
Connect smart data extraction with webhooks, forwarding and connections to Google Sheets, and popular data sinks.
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
Email validation API
Validate addresses at signup, onboarding, and lifecycle handoffs before bad data reaches customer systems.
Evaluation
Proof and partner paths for teams reviewing MailSlurp.
Customer proof
Read customer reviews and workflow examples when you need evidence for procurement, rollout, or renewal.
Read testimonialsAffiliate program
Recommend MailSlurp to developer, QA, and automation teams with partner resources built for technical audiences.
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