Email API that just works

Quickly integrate email into your application with a powerful and easy-to-use REST API.

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Developer-First

Send emails with your favorite stack

A simple, elegant interface so you can start sending emails in minutes. It fits right into your code with SDKs for your favorite programming languages.

Email API Stack
import { Resend } from 'resend';


const resend = new Resend('re_xxxxxxxxx');


await resend.emails.send({
  from: 'Acme <onboarding@resend.dev>',
  to: ['delivered@resend.dev'],
  subject: 'hello world',
  html: '<p>it works!</p>',
});
Observability

Complete visibility of your API calls

Troubleshoot with detailed logs including the request headers and response body. Collect and analyze real-time data on API traffic. Fix critical issues before they impact the application.

Resend Dashboard - Logs
Extensible

An API endpoint for any use case

Do more with your emails using flexible API endpoints. Send attachments, schedule using natural language, or trigger batch emails with ease.

See API DocsGet API key
import { Resend } from 'resend';


const resend = new Resend('re_xxxxxxxxx');


await resend.emails.send({
  from: 'Acme <onboarding@resend.dev>',
  to: ['delivered@resend.dev'],
  subject: 'hello world',
  html: '<p>it works!</p>',
  scheduledAt: 'in 1 min',
});
Payload
Transitioning into production with Resend was a breeze due to its straightforward API and effortless setup. Resend is the developer-centric email API that is actually a joy to work with.

Elliot DeNolf

Founder & CTO of Payload

Read story
await resend.emails.send(
  {
    from: 'Acme <onboarding@resend.dev>',
    to: ['delivered@resend.dev'],
    subject: 'hello world',
    html: '<p>it works!</p>',
  },
  {
    idempotencyKey: 'welcome-user/123456789',
  },
);

Idempotency keys

Include an idempotency key in any email requests to ensure that the same email request is processed only once when a duplicate request or retry logic attempts to resend the same email.

Get startedDocumentation
Reliable

The API that you can trust

The support that your business needs. The reliability that your team needs. The security that your mission-critical application needs.

99.9% uptime

APIs that are built from the ground up to be highly available, reliable, and scalable.

View status

Secure & compliant

Committed to the security and privacy of customer data, Resend is GDPR and SOC 2 compliant.

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Premium support

Get the help you need, whenever you need it, with response SLA's and a dedicated Slack channel.

See enterprise

Start sending in minutes

Resend delivers mission-critical emails for some
of the fastest growing teams.

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