Programmable inboxes
Create, search, receive, forward, and inspect email from APIs, tests, dashboards, and webhook handlers.
Use receive APIs
Use MailSlurp when SendGrid-style outbound email needs programmable inboxes, inbound handling, QA automation, and deliverability diagnostics. Keep inboxes, APIs, webhooks, diagnostics, and automated checks in one workflow.
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MailSlurp complements sending workflows with programmable inboxes, inbound routing, deliverability checks, parsing, and release-ready email QA.
Use MailSlurp when outbound sending also needs inbound control, deterministic tests, deliverability checks, and message automation.
Create, search, receive, forward, and inspect email from APIs, tests, dashboards, and webhook handlers.
Use receive APIsRoute replies, notifications, support messages, and workflow email into applications and queues.
Route inbound emailAssert password resets, activation links, billing emails, alerts, and lifecycle messages before release.
Test email flowsCheck inbox placement, sender authentication, spam signals, and headers around the messages users need.
Check deliverabilityExtract codes, links, structured fields, attachments, and AI-ready data from inbound messages.
Use AI parsingKeep logs, webhook events, inbox ownership, and test results visible to teams that operate email.
Read docsMailSlurp keeps SendGrid-style outbound email connected to real inboxes, APIs, webhooks, diagnostics, and repeatable checks.
MailSlurp adds the inbox, routing, testing, parsing, and deliverability layer around transactional and customer email.
Start with one high-value message, automate the check, then expand the same MailSlurp workflow across the email and SMS flows customers depend on.
Teams working on SendGrid alternative needs can use MailSlurp to run programmable inboxes, inbound handling, QA automation, and deliverability diagnostics against real messages and controlled inboxes.
That keeps the result visible to engineers, QA, support, and lifecycle teams without relying on shared mailboxes or one-off screenshots.
A send API is only one part of the customer email workflow. MailSlurp gives teams the receive-side controls and test automation needed to verify what users actually get.
Use it beside or instead of send-first tooling when inbox capture, inbound automation, deliverability diagnostics, and release checks need to live together.
MailSlurp works from APIs, SDKs, webhooks, dashboards, and CI pipelines, so the same checks can run during development, staging, release, and support.
Use it to inspect the final message, verify links and codes, monitor deliverability signals, and keep customer-facing email reliable as templates, senders, domains, and applications change.
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.
Emails processed
500 million+
Infrastructure that scales.
Mobile networks
20+
Leverage global telecom networks.
Mature platform
10+ years
Stable and dependable.