Email API
Send transactional email from EU infrastructure with a single API call. Official TypeScript, Python, and Go SDKs, plus REST examples for every major language.
One POST request
Send an email with a single HTTPS call. Official SDKs for TypeScript, Python, and Go, with REST examples for Ruby, PHP, Java, and curl.
EU-hosted infrastructure
Hetzner data centre in Helsinki, Finland, operated by a Danish company. GDPR compliant and not subject to the US CLOUD Act.
Real-time tracking
Opens, clicks, bounces, and complaints are recorded in real time. Every event is available in the dashboard and via signed webhooks.
Send an email
typescript
import PostStack from '@poststack/sdk';
const poststack = new PostStack('sk_live_...');
await poststack.emails.send({
from: 'hello@yourdomain.com',
to: 'user@example.com',
subject: 'Welcome aboard!',
html: '<h1>Welcome!</h1><p>Thanks for signing up.</p>',
});