APIs and SDKs
Use REST, SMTP, IMAP and webhooks, with SDKs for JavaScript, Python, Java, C# and more.
Explore developer toolsTest your applications, check your campaigns and automate incoming messages. Explore the products behind each workflow, with APIs, SDKs and a shared dashboard for your team.
Create real email addresses and phone numbers for your applications. Receive messages, connect existing accounts and control them from code or the dashboard.

Unlimited inboxes, custom domains, Gmail and Outlook.
Real numbers to receive texts and verification codes.
Verify addresses and inspect contact information before it enters your workflows.
Send, receive and manage email with REST, SMTP, IMAP and webhooks.
Catch broken signup, authentication and notification flows. Use real messages in Playwright, Cypress, Selenium and CI, then test delivery as traffic grows.

See how your email looks, find content problems and check where it lands. Review campaigns from your sending platform and transactional emails from your application.

Preview delivered email on real clients and devices.
Find broken links, images and accessibility issues.
See inbox, promotions and spam results.
Build sender reputation and reach more inboxes.
Track authentication, DNS and sender health.
Keep checking recurring emails for broken links, images and template changes.
Inspect email markup and client support before sending.
Turn incoming email, SMS and attachments into useful actions. Give agents real accounts, extract structured data and connect messages to your systems.

Use REST, SMTP, IMAP and webhooks, with SDKs for JavaScript, Python, Java, C# and more.
Explore developer toolsConnect your test frameworks and AI tools, or send campaigns from your email platform for review.
Find your integrationManage accounts and results together, with roles, SSO, audit trails and environments for your organization.
Explore MailSlurp EnterpriseCreate an account and explore MailSlurp.