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Prerequisites

To get the most out of this guide, you’ll need to:

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1. Install

Get the Resend Node.js SDK. 
npm install resend

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2. Send email using HTML

Create a Resource Route under app/routes/send.ts. The easiest way to send an email is by using the html parameter. 
import { json } from '@remix-run/node';
import { Resend } from 'resend';

const resend = new Resend(process.env.RESEND_API_KEY);

export const loader = async () => {
  const { data, error } = await resend.emails.send({
    from: 'Acme <onboarding@resend.dev>',
    to: ['delivered@resend.dev'],
    subject: 'Hello world',
    html: '<strong>It works!</strong>',
  });

  if (error) {
    return json({ error }, 400);
  }

  return json(data, 200);
};

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3. Try it yourself

Send Email

Basic email sending

Attachments

Send emails with file attachments

Inline Images (CID)

Embed inline images using CID

Templates

Send emails using Resend hosted templates

Scheduling

Schedule emails for future delivery

Audiences

Manage contacts and audiences

Domains

Create and manage sending domains

Webhooks

Handle webhook events

Double Opt-in

Double opt-in subscription flow

Inbound

Receive and process inbound emails

Prevent Threading

Prevent email threading on Gmail