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Prerequisites

Before you start, you’ll need:

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Guide

1

Create a Deno Deploy project

Go to dash.deno.com/projects and create a new playground project.Deno Deploy - New Project
2

Edit the handler function

Paste the following code into the browser editor:
main.ts
import { Resend } from 'npm:resend';

const resend = new Resend('re_123456789');

Deno.serve(async () => {
  try {
    const response = await resend.emails.send({
      from: 'Acme <onboarding@resend.dev>',
      to: ['delivered@resend.dev'],
      subject: 'Hello World',
      html: '<strong>It works!</strong>',
    });

    return new Response(JSON.stringify(response), {
      status: response.error ? 500 : 200,
      headers: {
        'Content-Type': 'application/json',
      },
    });
  } catch (error) {
    console.error(error);
    return new Response(null, {
      status: 500,
    });
  }
});
3

Deploy and send email

Click on Save & Deploy at the top of the screen.Deno Deploy - Playground

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Examples

Deno Deploy Example

See the full source code.