Built on AWS SES · 99.9% deliverability

Email infrastructure
built for developers.

Send transactional emails, manage inbound messages, and run campaigns — all from one API. Reliable delivery powered by AWS SES.

maildeen.app / inbox
Inbox
Sent
Campaigns
Logs
Settings
A
acme.io
Inbox
Live
A
alice@acme.com
Re: Onboarding flow
2mdelivered
O
ops@stripe.com
Invoice #INV-00942
8mopened
H
hello@github.com
New PR review request
14mdelivered
N
noreply@vercel.com
Deployment succeeded
21mclicked
T
team@linear.app
Sprint planning reminder
1hdelivered
Stats · 24h
4,821
Delivered
+12%
1,943
Opened
+8%
418
Clicked
+3%
9
Bounced
-2%
99.9%deliverability
AWS SESinfrastructure
Real-timeinbox events
HMACsigned webhooks
<50msAPI latency

Everything email. One platform.

Stop stitching together multiple tools. Maildeen handles the entire email lifecycle.

Transactional Sending

Fire-and-forget API for password resets, receipts, and notifications. Guaranteed delivery with detailed status logs.

Inbound Inbox

Receive emails at any address on your domain. Process them via webhooks or read them from the real-time inbox API.

Campaign Analytics

Design, send, and measure email campaigns. Open rates, click tracking, bounces — all in one dashboard.

Developer-first

Send your first email
in 3 lines of code.

Clean, typed SDKs. Predictable HTTP API. No XML, no SMTP config, no wrestling with mail servers.

TypeScript & Python SDKs
Full OpenAPI spec included
Webhook events for every state
Zero config required
send-email.ts
// Send an email with Maildeen
import { Maildeen } from 'maildeen';
const client = new Maildeen({
apiKey: process.env.MAILDEEN_KEY
})
await client.emails.send({
from: 'you@acme.io',
to: 'user@example.com',
subject: 'Welcome aboard!',
html: '<b>You're in.</b>'
})
✓ 200 OK · id: "msg_xK9mP2..."
Setup in minutes

How it works

01

Add your domain

Register acme.com in Maildeen. Get your API key and sending credentials instantly.

02

Set DNS records

Copy the SPF, DKIM, and MX records. One-click verification tells you when you're ready.

03

Start sending

Hit the API. Emails go out via AWS SES. Track every event in real-time from your dashboard.

Summer Launch Campaign
Sent Jun 12 · 12,480 recipients
Completed
48.3%Open Rate↑ 6.1% vs avg
21.7%Click Rate↑ 3.4% vs avg
99.2%Delivered12,380 / 12,480
Hourly opens
12am12pm11pm
Campaign analytics

Deep metrics for
every campaign.

Go beyond open rates. Track hourly engagement, link-level click performance, and bounce taxonomy — all in real time.

48.3%
avg open rate
21.7%
avg click rate
99.2%
delivery rate
< 1s
event latency
0M+
Emails delivered
0.9%
Uptime SLA
0+
Active senders
0ms
Median latency

Your email infrastructure,
ready in minutes.

No credit card required. Start sending immediately. Scale to millions without changing your code.