Getting startedQuickstart

Cloudflare Workers

Send email from Workers and Pages Functions.

Send email from Workers and Pages Functions.

Install

npm i resent.one

Set RESENT_API_KEY in your server environment. Keep the key off the client.

Send an email

import { Resent } from "resent.one";
export default {
  async fetch(request, env) {
    if (request.method !== "POST") {
      return new Response("Method not allowed", { status: 405 });
    }
    const resent = new Resent(env.RESENT_API_KEY);
    const result = await resent.emails.send({
      from: "Acme <noreply@yourdomain.com>",
      to: "you@example.com",
      subject: "Hello from Cloudflare Workers",
      html: "<strong>It works!</strong>",
    });
    return Response.json(result);
  },
};

Next steps