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

# Introduction

> Connect your AI agent to LinkedIn, WhatsApp, and B2B live data

# LinkupAPI Documentation

LinkupAPI connects your product or AI agent to LinkedIn, WhatsApp, and real-time B2B intelligence. One unified API to automate outreach, find contacts, and gather market insights for **sales** and **recruitment**.

## What You Can Build

> [card] Sales Automation
>
> Generate leads, automate outreach on LinkedIn/WhatsApp, track funding signals, and enrich company data in real-time.

> [card] Recruitment Automation
>
> Source candidates, track hiring companies, and connect with talent on LinkedIn and WhatsApp at scale.

## Three API Categories

**Engagement API** - Automate LinkedIn and WhatsApp interactions

* LinkedIn: Invitations, Messages, Comments
* WhatsApp: Messaging with media support

**Mail API** - Find and verify professional emails

* Email Finder, Verifier, Reverse Lookup

**Web Crawler API** - Real-time B2B intelligence (public data only)

* People Search, Company Intelligence, Hiring Signals, Funding Data

## Quick Start

### 1. Get Your API Key

Sign up at [linkupapi.com](https://app.linkupapi.com/signup)

### 2. Make Your First Request

```bash theme={null}
curl -H "x-api-key: your_api_key" \
  https://api.linkupapi.com/v1/data/search/funded-companies
```

### 3. Explore the Docs

Browse endpoints and start building your automation.

## Need Help?

* Email: [support@linkupapi.com](mailto:support@linkupapi.com)


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