MailSlurp

Developer Tools Free · from $9/mo

About MailSlurp

MailSlurp gives developers temporary email addresses to test signup flows, password resets, and email notifications without polluting real inboxes.

What it does

You create disposable inboxes via API or dashboard, send and receive emails, and verify delivery. It supports SMTP, IMAP, and webhooks, and works with any programming language.

Best for

Developers testing email-based user flows
QA engineers automating email verification in CI/CD
Teams building email-heavy applications

Strengths

REST API with SDKs for 10+ languages
Supports attachments, HTML, and plain text
Webhooks for real-time email event tracking

Key features

Disposable inboxes — Create unlimited temporary email addresses
REST API & SDKs — Integrate with Python, JavaScript, Java, Ruby, Go, and more
SMTP/IMAP support — Send and receive emails programmatically
Webhooks — Get notified when emails arrive
Email verification — Check delivery status and content
CI/CD integration — Use in automated test suites

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