Email API that
just works

Quickly integrate email into your application with a powerful REST API. Send in minutes, not hours.

No credit card required

Send your first email in minutes

Simple, clean API that works with your favorite language. Copy, paste, send.

import { Unosend } from 'unosend';
const unosend = new Unosend('un_xxxxxxxxx');
await unosend.emails.send({
from: 'hello@yourdomain.com',
to: 'user@example.com',
subject: 'Welcome!',
html: '<p>Thanks for signing up!</p>'
});

Complete visibility of your API calls

Troubleshoot with detailed logs. Collect and analyze real-time data on API traffic.

Request Logs

View every API request with full details.

Email Timeline

Track delivery, opens, and clicks.

Webhooks

Get real-time notifications for events.

Built for developers

Everything you need to integrate email into your application.

Fast Delivery

Emails delivered in milliseconds.

Secure by Default

TLS encryption, SPF, DKIM, DMARC.

API Keys

Manage multiple keys with scopes.

Developer Support

Fast response from real engineers.

Simple, intuitive API

One API call to send an email. No complex configuration. Works with any programming language.

RESTful JSON API

Official SDKs for 6 languages

Comprehensive documentation

// Response
{
  "id": "em_xxxxxxxxx",
  "from": "hello@yourdomain.com",
  "to": "user@example.com",
  "subject": "Welcome!",
  "status": "sent",
  "created_at": "2024-01-15T10:30:00Z"
}

One API, Infinite emails

Get 5,000 emails/month free. No credit card required.