MailingCore
EU GDPR-native · Servers in Europe

Send emails from your frontend. No backend needed.

MailingCore gives you a tiny JS SDK, a visual template editor, and reliable delivery. Ship contact forms, transactional emails, and notifications in minutes.

Get your free API keyView the docs
200ms avg delivery99.9% uptimeGDPR compliant
Email sent
import MailingCore from 'mailingcore-js';

await MailingCore.send({
  apiKey: 'mc_live_xxxx',
  template: 'contact-form',
  to: 'user@example.com',
  vars: {
    name: 'Alex',
    message: 'Hello from the frontend!'
  }
});
// ✓ Email delivered in 180ms

How it works

Three steps to sending emails from your frontend

1

Create a template

Design your email in the visual editor, add {{variables}} for dynamic content

2

Get your API key

Copy your key from the dashboard in seconds

3

Call from anywhere

Frontend, Webflow, no-code tools, anywhere with JS

Everything you need

Built for developers who want to ship fast

Frontend SDK

3KB gzipped. Works in vanilla JS, React, Vue, Svelte, Webflow

Visual Template Editor

Design once, reuse everywhere. Variables with {{mustache}} syntax

Multiple Providers

Use your own SMTP, SendGrid, Resend, or our built-in relay

GDPR by design

Data processed and stored in Europe.

Delivery Logs

Real-time log of every send, with status and metadata.

Webhooks

Delivery, open, and bounce events.

Before and after

See the difference MailingCore makes

// frontend.js (no backend needed)
import MailingCore from 'mailingcore-js';

await MailingCore.send({
  apiKey: 'mc_live_xxxx',
  template: 'contact-form',
  to: 'user@example.com',
  vars: { name: 'Alex', message: 'Hello!' }
});
// Done. That's it.

Simple, transparent pricing

Start free, scale as you grow

MonthlyAnnual (save 20%)

Free

€0/mo
  • 200 emails/month
  • 1 template
  • Community support
  • GDPR compliant
Get started
Recommended

Indie

€9/mo
  • 10,000 emails/month
  • Unlimited templates
  • Delivery logs
  • Email support
  • Custom domains
Get started

Studio

€29/mo
  • 100,000 emails/month
  • Multiple domains
  • Webhook events
  • Priority support
  • Advanced analytics
Get started

Need more? Enterprise plans available.

Contact us

Trusted by developers building with:

React
Next.js
Vue
Astro
Webflow
Laravel
WordPress
Svelte

"Switched from EmailJS to MailingCore and never looked back. The template editor alone saved me hours. Plus, knowing my users' data stays in Europe is a huge win."

MC

Maya Chen

Founder, Coastal Roasters

"I built a contact form for a client's Webflow site in 10 minutes. No backend, no server config, just copy-paste the SDK."

RP

Raj Patel

Freelance Developer

"The delivery logs are a lifesaver. I can see exactly when an email was sent, opened, or bounced."

LT

Lucia Torres

Product Designer, Meridian Labs

Frequently asked questions

Dashboard access

Already have an account? Open the MailingCore dashboard or request access from the team.

Open dashboard

Your next email is 3 lines of code away.

Start for free. No credit card. No backend.

Get your API key