---
title: NodeJS
description: "Send your mail using unsend in NodeJS"
---

## Prerequisites

- [Unsend API key](https://app.unsend.dev/api-keys)
- [Verified domain](https://app.unsend.dev/domains)

## Code

```js server.ts
const options = {
  method: "POST",
  headers: {
    Authorization: "Bearer us_12345",
    "Content-Type": "application/json",
  },
  body: {
    to: "jsmith@example.com",
    from: "jsmith@example.com",
    subject: "<string>",
    replyTo: "<string>",
    text: "<string>",
    html: "<string>",
    attachments: [{ filename: "<string>", content: "<string>" }],
  },
};

fetch("https://app.unsend.dev/api/v1/emails", options)
  .then((response) => response.json())
  .then((response) => console.log(response))
  .catch((err) => console.error(err));
```