Network
Global
Create unlimited email accounts and domains. Provision real phone numbers from across global networks.
Real-time messaging infrastructure
The all-in-one messaging toolkit for QA testing, development, automations, and AI-data extraction.
Trusted by top companies worldwide
Message at scale
MailSlurp gives engineering, QA, and operations teams one platform for programmable inboxes, phone numbers, release testing, monitoring, and AI extraction.
Automation coverage
API + UI
Run the same workflow through REST APIs, SDKs, webhooks, SMTP/IMAP, and the shared dashboard.
Integrations
4 core
Start with messaging, testing, monitoring, or extract, then expand on the same platform surface.
Instant inboxes — connected everywhere
Create unlimited email accounts and phone numbers. Control from shared UI dashboard or native APIs. Build workflows to test, process, and ingest messages at scale.
Test and validate end-to-end
Test critical email and SMS processes like OTP/MFA, user signup, notifications, password reset, and more. Use native SDKs, REST APIs, and test mailservers with integrations for every testing and automation framework.
Validate email content before launch
Perform email audits and real device rendering in Gmail, Oiutlook and more. Catch broken links, missing images, malformed templates, visual regressions and launch-blocking issues before send.
Turn email and attachments into structured data insights
Use OCR and LLMs to intelligently extract data from emails and attachments. Transform, label and distill data into formats you need such as JSON, XLXS and Sheets+Drive.
Explore the platform
Emails
Programmable inboxes and sending APIs.
- real email accounts on demand
- create and control in code and tests
- catch-all, domains, plus-addressing, forwarding
- virtual servers, custom domains
Phone
Real phone numbers and SMS flows.
- real phone numbers world wide
- local, toll-free, mobile, non-voip and more
- send and receive SMS/MMS
- phone pools, threading and more
Testing
Validate auth, OTP, and notification flows.
- end-to-end email and sms QA testing
- device render previews (Gmail, Outlook, more)
- load testing and deliverability
- email auditing (broken images, missing links)
Reliability
Monitor sender health and delivery signals.
- continuous domain monitoring
- campaign health probes
- spam list watch and sender health
Extract
Turn messages into structured operational data.
- AI powered transformer pipelines
- turn emails and attachments into spreadsheet data
- label and extract OCR/TextNative
- prompts or SchemaDefinition
Identity
Protect signup and outreach quality.
- email intelligence
- list clean/validation
- phone lookup
