> ## Documentation Index
> Fetch the complete documentation index at: https://docs.isend.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

# Send Emails with Node.js

> Use the official **isend.ai Node.js SDK** to send emails using your existing email infrastructure.

***

## 1. Install

Install the isend.ai Node.js SDK:

```bash theme={null}
npm install @isend-ai/nodejs-sdk
```

***

## 2. Send an Email Using JavaScript

```js theme={null}
const { ISendClient } = require('@isend-ai/nodejs-sdk');

// Initialize the client
const client = new ISendClient('your-api-key-here');

// Send email using template
const emailData = {
  template_id: 124,
  to: 'hi@isend.ai',
  dataMapping: {
    name: 'ISend'
  }
};

client.sendEmail(emailData)
  .then(response => {
    console.log('Email sent successfully!', response);
  })
  .catch(error => {
    console.error('Error sending email:', error.message);
  });
```

***

## 3. Send an Email Using TypeScript

```ts theme={null}
import { ISendClient } from '@isend-ai/nodejs-sdk';

const client = new ISendClient('your-api-key-here');

async function sendEmail() {
  try {
    const emailData = {
      template_id: 124,
      to: 'hi@isend.ai',
      dataMapping: {
        name: 'ISend'
      }
    };

    const response = await client.sendEmail(emailData);
    console.log('Email sent successfully!', response);
  } catch (error) {
    console.error('Error sending email:', error.message);
  }
}

sendEmail();
```

***

## 4. Error Handling

```ts theme={null}
try {
  const response = await client.sendEmail({
    template_id: 124,
    to: 'hi@isend.ai',
    dataMapping: {
      name: 'ISend'
    }
  });
} catch (error) {
  console.error('Error:', error.message);
  console.error('Status:', error.status);
  console.error('Code:', error.code);
}
```

***

## 5. Requirements

* Node.js 14.0.0 or higher
* npm or yarn

***

## 6. GitHub Repo

Check out the repository on GitHub:

[**→ View Node.js SDK Repo**](https://github.com/isend-ai/nodejs-sdk)