MailerSend

Transactional email + SMS API with drag-and-drop templates and inbound routing.

Visit MailerSend Start free with MailKite

How MailKite fits

Comparing MailerSend? MailKite matches transactional + inbound on one quota, with unlimited free domains.

Send email from MailerSend with MailKite

A minimal, copy-paste starter. Swap in your own domain and API key.

send.ts

import { MailKiteClient } from "@mailkite/client";

// One API, your own DKIM-signed domain — no mail server to run
const mailkite = new MailKiteClient({ token: process.env.MK_API_KEY! });

await mailkite.send({
  from: "you@yourdomain.com",        // any address on a verified domain
  to: "user@example.com",
  subject: "Hello from MailerSend",
  html: "<p>Sent in milliseconds via MailKite.</p>",
});

Read the sending quickstart

MailerSend is a transactional email and SMS API (sibling to MailerLite) with drag-and-drop templates, inbound routing, email verification, split testing, and an MCP server. It targets developers and product teams who want a polished sending experience.