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


APIs and dashboards for developers, Q.A. and marketing teams to build messaging workflows, write tests, and improve deliverability.
Create and control unlimited email accounts and phone numbers.
Create disposable and permanent inboxes on demand. Use aliases, plus-addresses, custom domains and external connections to Gmail, Outlook, and more.

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.

Use one control plane for programmable inboxes, message routing, notifications, and customer-owned email paths.

Capture outbound and inbound email safely during development, staging, and release checks before messages reach customers.

Build programmable inbox, sending, receiving, and webhook workflows with REST, SMTP, IMAP, and SDK support.

Test applications and workflows end-to-end with real email and SMS
Use real email accounts and phone numbers to test critical application flows like user sign-up, email verification, password reset, and more.

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

Plan realistic load tests for signup, reset, invite, and notification flows that depend on real email or SMS delivery.

Run k6 scripts that create inboxes, send messages, wait for replies, and measure verification-path latency under load.

Improve delivery, sender health, and campaign readiness with repeatable inbox evidence.
Run inbox placement tests and spam checks across Gmail, Outlook, Yahoo, iCloud, and other mailbox-provider environments before important sends.

Preview rendering, inspect HTML support, and catch broken links, missing images, and template issues before campaigns or transactional emails launch.

Track DMARC, SPF, DKIM, MX, and sender-domain drift before migrations, vendor changes, or launch windows create incidents.

Audit recurring campaign streams with probe addresses that catch broken links, missing images, and template drift over time.

Monitor message workflows, sender health, and delivery drift so teams can catch silent failures before customers do.

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

MailSlurp fits right into your existing development, testing, and CI/CD workflows. Deploy and iterate with confidence and actionable feedback.
Preview and inspect email content across devices and providers.
Preview delivered email across Gmail, Outlook, Yahoo, mobile, desktop, and dark-mode clients before customers see it.

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

Extract structured data from emails and attachments using AI and OCR
Use AI prompts, OCR, labels, and JSON schemas to extract structured data from inbound emails, PDFs, images, and attachments.

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

Email intelligence and phone number lookup
Clean email lists and verify email accounts. Improve sending and flag high risk customers.

Lookup phone and email entities for customer insights and corporate intelligence

Validate addresses at signup, onboarding, and lifecycle handoffs before bad data reaches customer systems.

Proof and partner paths for teams reviewing MailSlurp.
Read customer reviews and workflow examples when you need evidence for procurement, rollout, or renewal.
Read testimonialsRecommend MailSlurp to developer, QA, and automation teams with partner resources built for technical audiences.
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