Emails for Startups • High-Deliverability Engine

Email Infrastructure for Startups & Scale-ups

From your first sign-up magic link to 10M newsletters — without the 10x markup. Transactional API Gateway, Professional Custom Inboxes, and Broadcast Newsletters in one unified platform.

1. Transactional API

100% Resend-compatible REST API. Easy-DKIM automatic DNS token generation, sub-100ms dispatch, suppression lists, and webhooks.

$1.00 / 1,000 Sends

2. Professional Aliases

Forward hello@yourdomain.com to Gmail or Outlook. Send-as credentials with full SPF, DKIM, and DMARC alignment.

$3.00 / Domain / Mo

3. Marketing Campaigns

White-labeled drag-and-drop newsletter builder, list segmentation, bounce processing, and high-volume dispatch engine.

$19.00 / Agency / Mo

Drop-in Resend Compatibility

Zero friction migration. Switch endpoints and send your first email in under 60 seconds.

import { MailPi } from "@mailpi/node";

const mailpi = new MailPi("mp_live_your_api_key_here");

await mailpi.emails.send({
  from: "Acme <onboarding@mailpi.dev>",
  to: ["user@company.com"],
  subject: "Welcome to our platform!",
  html: "<strong>Hello world from MailPi!</strong>",
});

Calculate Your Agency Cost Savings

Traditional email providers charge massive markups. See how much you save with MailPi.

Monthly Email Volume:100,000 emails/mo
10k250k500k1M+
Standard SaaS (Resend/SendGrid)
$280/mo
With MailPi
$100/mo
Total Net Savings
~64% Saved
Start Saving Today