OpenClaw's WhatsApp integration is one of its most underrated features. You don't just get message routing โ€” you get full access to WhatsApp's ecosystem: media, voice notes, group chats, and even status updates. The best part? It works entirely locally on your machine.

What You Need

Before you start, make sure you have: an OpenClaw installation (with at least one WhatsApp-enabled skill), a phone number registered with WhatsApp, and the OpenClaw WhatsApp skill installed. I recommend running on a machine with decent RAM if you're planning to handle group chats โ€” the skill loads the full WhatsApp Web infrastructure locally. The installation process is straightforward. Run openclaw skill install whatsapp, then link your phone number. You'll get a QR code to scan with WhatsApp on your phone. That's it โ€” you're now connected.

Basic Setup

Once connected, you can start receiving messages through OpenClaw. The skill exposes an API endpoint that your own skills can call. Here's a simple example using OpenClaw's built-in wacli tool:

bash
wacli send --to "+1234567890" "Hello from OpenClaw!"
wacli receive --group "my-family" --limit 10

The receive command pulls the latest messages from specified groups. You can filter by sender, date range, or message type (text, image, voice). For automation, set up a cron job to poll specific channels.

Working with Media

What makes this really useful is media handling. When someone sends an image, OpenClaw can detect it, extract metadata, and even run it through your image analysis skills. Same with voice notes โ€” they get transcribed using Whisper and stored as text files. I've got a setup where OpenClaw automatically screenshots incoming messages, runs them through OCR if they're images, and then stores everything in my Obsidian vault. It's like having a personal assistant that never forgets anything.

Advanced Features

The skill supports status updates too. You can read your own status, set custom status messages, and even automate status changes based on your activity. For example, set your status to 'at work' when you're on a call, or 'away' when your laptop is locked. Voice calls are another interesting feature. You can initiate calls, listen to the call history, and even hook into call events. The skill stores call recordings locally, so you can process them with your audio analysis tools.

Key Takeaways

  • WhatsApp integration works entirely locally on your machine
  • Supports text, images, voice notes, groups, and status updates
  • Media files are automatically processed and stored
  • Can be integrated with other OpenClaw skills for automation

The Bottom Line

OpenClaw's WhatsApp skill is more than just messaging โ€” it's a gateway to a massive communication platform. If you're building any kind of AI-powered automation that needs to interact with people, this is where you start. The fact that everything runs locally on your machine is the real game-changer.