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Email for developers

Send transactional and marketing emails at scale. Simple API, predictable pricing, and logs that actually help you debug.

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Built for teams of all sizes

StartupsSaaSE-commerceFintechAgenciesDevelopers

First-class developer experience

We are a team of engineers who love building tools for other engineers. Simple APIs, comprehensive docs, and SDKs that just work.

send-email.ts

$ npm install emailr

import { Emailr } from 'emailr';

const emailr = new Emailr('re_123456789');

await emailr.send({
  from: '[email protected]',
  to: '[email protected]',
  subject: 'Hello World',
  html: '<p>Welcome!</p>'
});

That's it. Email sent.

View on GitHub

Built for every use case

From password resets to marketing campaigns

Authentication emails

Password resets, magic links, and 2FA codes that arrive instantly. Because nobody should wait for a login email.

Onboarding sequences

Welcome emails, product tours, and activation campaigns. Turn signups into active users with perfectly timed messages.

Transactional receipts

Order confirmations, invoices, and shipping updates at scale. Handle millions of transactions without breaking a sweat.

Marketing campaigns

Newsletters, announcements, and promotional emails. Reach your audience with broadcasts that actually get opened.

Notifications

Activity alerts, mentions, and updates. Keep users engaged with real-time notifications they care about.

Team collaboration

Invitations, shared documents, and team updates. Power your collaboration features with reliable delivery.

Everything you need to send email

Powerful features, simple interface

Email API

RESTful API with SDKs for Node.js, Python, Go, Ruby, PHP, and more. Send emails with a single API call.

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SMTP relay

Drop-in SMTP replacement. Point your existing app to our servers and start sending immediately.

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Real-time analytics

Track deliveries, opens, clicks, and bounces. Know exactly what's happening with every email.

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Deliverability

Built-in best practices, dedicated IPs, and reputation monitoring. Land in inboxes, not spam.

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Webhooks

Real-time event notifications for opens, clicks, bounces, complaints, and more.

Learn more →

React Email

Build beautiful, responsive emails with React components. Preview in the browser, send with confidence.

Learn more →

Why emailr?

See how we compare to other email providers

Feature	emailr_	SendGrid	Mailgun	Postmark	Resend
Modern API design	✓	—	—	~	✓
React Email support	✓	—	—	—	✓
Free tier emails/mo	3,000	100	1,000	100	3,000
Transparent pricing	✓	—	~	✓	✓
TypeScript SDK	✓	~	—	~	✓
Setup time	<5 min	30+ min	20+ min	15+ min	<5 min
Developer-first docs	✓	~	~	✓	✓

✓ = Yes ~ = Partial — = No

99.99%

Uptime SLA

<100ms

API latency

10B+

Emails delivered

“emailr replaced our entire email stack in an afternoon. The API is exactly what we needed — simple, reliable, and fast. We went from fighting with email infrastructure to just shipping features.”

Sarah

CTO at a SaaS startup