Email API for developers

Send emails from your app with a reliable API built for developers. Beautiful templates, powerful delivery, detailed analytics, and comprehensive developer tools.

# Install Mailpost SDK
npm install mailpost

# Send your first email
const { Mailpost } = require('mailpost');

const mailpost = new Mailpost({
  apiKey: process.env.MAILPOST_API_KEY,
});

const { data, error } = await mailpost.emails.send({
  from: '[email protected]',
  to: '[email protected]',
  subject: 'Hello from Mailpost!',
  html: '<h1>Hello world!</h1>',
});
                    

Features

Built for modern developers

Everything you need to deliver emails reliably and monitor performance.

Developer-first API

Modern, RESTful API with comprehensive SDKs for Node.js, Python, Go, and more. Built for developer productivity.

Beautiful templates

Create stunning, responsive email templates using our visual editor or code your own with our React-based template builder.

Detailed analytics

Track delivery rates, opens, clicks, and more with our comprehensive analytics dashboard. Get insights into your email performance.

Reliable delivery

99.99% uptime with global infrastructure that scales with your needs. Trusted by thousands of businesses.

Get started in minutes

Simple, powerful API

import { Mailpost } from 'mailpost';

// Initialize with your API key
const mailpost = new Mailpost({
  apiKey: 'mp_123456789',
});

async function sendWelcomeEmail(user) {
  const { data, error } = await mailpost.emails.send({
    from: '[email protected]',
    to: user.email,
    subject: 'Welcome to Our Platform!',
    react: EmailTemplate({ 
      firstName: user.firstName,
      activationLink: `https://yourbrand.com/activate?token=${user.token}`
    }),
  });

  if (error) {
    console.error('Failed to send email:', error);
    return;
  }

  console.log('Email sent successfully! ID:', data.id);
}
                    

Pricing

Simple, transparent pricing

Start for free and scale as you grow.

Free

Perfect for side projects and small apps.

$0 /month

Get started

What's included:

  • 1,000 emails/month
  • Core API features
  • Basic templates
  • Email delivery tracking

Pro

For growing applications with more sending needs.

$29 /month

Get started

What's included:

  • 50,000 emails/month
  • Advanced analytics
  • Premium template library
  • React template support
  • Dedicated support

Business

For organizations with high volume requirements.

$99 /month

Get started

What's included:

  • 250,000 emails/month
  • Enterprise-grade security
  • Advanced deliverability tools
  • Custom integrations
  • 24/7 priority support

Trusted by developers worldwide

Sarah Chen

CTO, TechWave

"Mailpost has simplified our email infrastructure completely. The API is intuitive and the deliverability is rock solid. Our engineering team couldn't be happier."

Alex Rodriguez

Lead Developer, StartUp.io

"The React template system is a game-changer. We went from spending days coding HTML emails to minutes with reusable components. The analytics are incredibly detailed too."

Michael Park

Founder, DevSquad

"We migrated from a legacy email service and saw our delivery rates jump by 15%. The documentation is excellent and the support team responds within minutes."

Ready to get started? Start sending better emails today.