Early access now open

Email for builders

Transactional and marketing email on your own domain, running on Amazon SES. One platform for the emails your product sends — and the campaigns your team sends.

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Integrate this morning

A simple, elegant API so you can start sending transactional email in minutes. SDKs for the languages you already use.

send-email.ts

1import { SendBoost } from 'sendboost';
2 
3const sendboost = new SendBoost(process.env.SENDBOOST_API_KEY);
4 
5await sendboost.emails.send({
6  from: 'billing@yourapp.com',
7  to: 'customer@example.com',
8  subject: 'Your receipt is ready',
9  html: '<strong>Thanks for your order!</strong>',
10});

Reach real inboxes

Send newsletters and campaigns with one-click unsubscribe, automatic bounce and complaint suppression, and reputation monitoring built in.

HTTP 200: { "id": "a1e4-9b21-4c0d" }delivered

HTTP 200: { "id": "7f3a-2e88-410b" }delivered

HTTP 200: { "id": "c9d1-5f76-4a2e" }opened

HTTP 200: { "id": "3b8e-11a4-49f0" }delivered

Your domain, your reputation

Verify your own sending domain in minutes — separate subdomains for transactional and marketing keep your deliverability isolated and healthy.

mail.yourapp.comverified

CNAME · DKIMverified

TXT · SPFverified

TXT · DMARCrecommended

Send your first email this week.

We're onboarding a small group of teams before opening up fully. Leave your email and we'll reach out with access.