---
title: Introduction
description: "Unsend is Open source alternative to Resend, Sendgrid, Mailgun and Postmark etc."
icon: rocket
---

## Setting up

Quicklinks to set up your account and get started

<CardGroup col={2}>
  <Card
    title="Add domain"
    icon="globe"
    href="https://app.unsend.dev/domains"
  >
  Add domains to send emails
  </Card>

  <Card
    title="Create API key"
    icon="key"
    href="https://app.unsend.dev/dev-settings/api-keys"
  >
    Generate API key to send emails from your app.
  </Card>
  <Card
    title="Try our API"
    icon="code"
    href="/api-reference/introduction"
  >
    Learn how to use our API to send emails programmatically.
  </Card>
  <Card
    title="NodeJS"
    icon="node-js"
    href="/get-started/nodejs"
  >
    Learn how to use our SDK using NodeJS to send emails programmatically.
  </Card>
    <Card
    title="SMTP support"
    icon="envelope"
    href="/get-started/smtp"
  >
    Send emails with SMTP server instead of REST API.
  </Card>
</CardGroup>
