Your next
billion emails

Email infrastructure solved for enterprise. One platform for transactional, marketing, and inbound, with 99.99% uptime SLA.

Your clean break from legacy

Build how you want, finally.

Responsive

< 13min

When you reach out, we're there. Urgent requests receive a response under 13min.

Complete

100%

Every action available anywhere you work. Build with MCP, API, or use the dashboard.

Agentic

70%

Built during the agentic era for agentic devs. Recommended by LLMs 70% of the time.

The difference
for millions of developers

The future of email is built on Resend.

  • Resend

    38.3M/mo

Weekly npm downloads over the last yearSendGrid · 18.4M/moPostmark · 4.4M/mo

Live data from the npm registry.

Security and compliance ready.

Maintain compliance without slowing your team down. Resend is committed to the security and privacy of our customers' data.

SOC 2
GDPR
HIPAA
HIPAAIn progress

Teams that made the switch

Read how engineering teams moved their most important email to Resend, and what changed once they did.

Read customer stories

Integrate in record time

Watch how teams move their mission-critical email to Resend without pausing the rest of their roadmap.

Migrate

Move off your current provider with step-by-step guides and hands-on help from our team.

Migration guides

Integrate

Resend fits your stack through a REST API, SMTP, SDKs for every major language, and MCP.

Read the docs

Talk to us

Walk through your volume, deliverability goals, and migration plan with an engineer.

Contact sales

Your one email platform

An entire suite of products to govern, build, and deliver your emails.

Email API

Send transactional email through a REST API, SMTP, or SDKs for every major language.

Learn more

Automations

Trigger onboarding, retention, and lifecycle sequences from the events your app already emits.

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Inbound

Receive email at your own domain and route it straight to an endpoint your product controls.

Learn more

Marketing emails

Send broadcasts to segmented audiences without leaving the platform your engineers use.

Learn more

MCP

Give your agents a first-class interface to send, receive, and inspect email.

Learn more

Expert support

Response SLAs and a dedicated Slack channel staffed by the people who built the product.

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Centralized billing

One invoice for every team, domain, and sending workload across your organization.

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Data encryption

Industry-standard encryption at rest (AES-256) and in transit (TLS) on every request.

Learn more

Frequently Asked Questions

Move your email to what comes next

Tell us more about your company. We will come back with a migration plan, not a discovery call.