Email sandbox APIs
Send and receive emails from unlimited custom email addresses in code and tests. MailSlurp is the leading email API for developers, QA testers, and email marketing teams.
Create temporary or permanent mailboxes using MailSlurp domain pool or your own custom domains.
Receive emails in code or tests using webhooks or waitFor function. Search and match emails.
Send templated transactional emails at scale.
End-to-end test applications using real email addresses.
Get started in minutes with developer SDKs, online dashboards, or using your favourite mail client.
Transactional email APIs for every use case with email-open tracking, templating, and contact lists.
Create unlimited test email accounts or permanent custom domains. Control mailboxes in code and tests.
Verify email lists and increase deliverability with DKIM, SPF and bounce webhooks.
Create complex email routing rules for forwarding, automation and email proxy.
Write integration tests using real email addresses. Test user sign-up, email notifications, email verification and more.
Enterprise mailbox provisioning with single sign-on support for Google, SAML, OAuth2 and more.
Process email events at scale with queue-backed HTTP webhooks.
Test software end-to-end
Test user authentication, forgotten password, email verification and more for your application using real email addresses. Use REST API, developer SDKs, and Zapier integrations to receive emails in code, test user sign up flows, and save new contacts and attachments to Google Drive and more.
Fake SMTP Servers
Capture emails in inbox traps to test emails safely with quick setup, no maintenance, and zero risk of spamming real users. Create virtual inboxes for every environment. Verify email sending without connecting to outbound SMTP servers.
Test applications end-to-end with real email addresses or build powerful email functionality that scales.
Send and receive emails with no-code dashboards. Build campaigns and automation for every use case.
Connect Mail, Outlook, Thunderbird and more to MailSlurp inboxes using IMAP and SMTP.