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

# Introduction

> WhatsApp API for developers and martech

# Welcome to LivChat.ai

LivChat.ai is a WhatsApp API designed for developers, martech professionals, and AI agents. Send messages easily and scale quickly.

## Why LivChat?

<CardGroup cols={2}>
  <Card title="Zero Friction" icon="bolt">
    Connect your WhatsApp before creating an account. Test the API in seconds.
  </Card>

  <Card title="Simple Pricing" icon="tag">
    Pay per instance, not per message. Unlimited messages on every plan.
  </Card>

  <Card title="Quick Integration" icon="clock">
    Get started in minutes, not weeks. Simple REST API with clear documentation.
  </Card>

  <Card title="Developer First" icon="code">
    Built for devs, martech, and AI agents. Modern API design with camelCase fields.
  </Card>
</CardGroup>

## Quick Example

Send a WhatsApp message with a single API call:

```bash theme={null}
curl -X POST https://api.livchat.ai/v1/messages/send \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "phone": "5511999999999",
    "body": "Hello from LivChat!"
  }'
```

## Base URL

All API requests are made to:

```
https://api.livchat.ai/v1
```

## Response Format

All responses are JSON with consistent structure:

```json theme={null}
{
  "success": true,
  "code": 200,
  "data": {
    // Response data here
  }
}
```

## Next Steps

<CardGroup cols={2}>
  <Card title="Quickstart" icon="play" href="/quickstart">
    Get your API key and send your first message
  </Card>

  <Card title="Authentication" icon="key" href="/authentication">
    Learn about API key authentication
  </Card>

  <Card title="Send Messages" icon="message" href="/api-reference/messages/send-text">
    Explore the Messages API
  </Card>

  <Card title="Webhooks" icon="webhook" href="/api-reference/webhook">
    Receive real-time events
  </Card>
</CardGroup>