Getting Your Gateway Service Running

I know the feeling of setting up a new service and hitting a wall because a port is blocked or a configuration change won’t apply. It is frustrating when you want to build but find yourself wrestling with process lifecycles instead. I wrote this guide to help you get the Gateway service running without those headaches.

What You’ll Need

• The openclaw CLI installed on your machine.
• A terminal with permissions to run background processes.
• Access to your configuration file (or the ability to set environment variables).

Quick Start

You can get the Gateway up and running in about five minutes by following these four steps.

1. Start the Gateway

The simplest way to start is by specifying a port. If you need to see exactly what is happening under the hood, use the verbose flag.

# Basic start
openclaw gateway --port 18789

# Start with debug/trace logs mirrored to stdio
openclaw gateway --port 18789 --verbose

# Force-kill any existing listener on the port and start
openclaw gateway --force

2. Verify Service Health

Once started, check that the runtime is active. You want to see Runtime: running and RPC probe: ok.

openclaw gateway status
openclaw status

3. Monitor the Output

I find it helpful to watch the logs immediately after startup to catch any early connection issues.

openclaw logs --follow

4. Validate Channel Readiness

The final check ensures your communication channels are actually ready to handle traffic.

openclaw channels status --probe

Runtime Essentials

The Gateway is an always-on process that handles routing, the control plane, and channel connections. It uses a single multiplexed port for everything: WebSocket control, OpenAI-compatible HTTP APIs, and the Control UI.

Port and Bind Order

The Gateway looks for its port and bind settings in a specific order. CLI flags always win.

Setting	Resolution order
Gateway port	--port → OPENCLAW_GATEWAY_PORT → gateway.port → 18789
Bind mode	CLI/override → gateway.bind → loopback

Hot Reloading

By default, the Gateway uses hybrid mode. It watches your config file path (or OPENCLAW_CONFIG_PATH) and applies changes without a full restart whenever it is safe to do so.

gateway.reload.mode	Behavior
off	No config reload
hot	Apply only hot-safe changes
restart	Restart on reload-required changes
hybrid (default)	Hot-apply when safe, restart when required

Troubleshooting

If things don’t go as planned, look for these specific error signatures in your logs.

Signature	Likely issue
refusing to bind gateway ... without auth	Non-loopback bind without token/password
another gateway instance is already listening / EADDRINUSE	Port conflict
Gateway start blocked: set gateway.mode=local	Config set to remote mode
unauthorized during connect	Auth mismatch between client and gateway

If you encounter a sequence gap in events, I recommend refreshing your state using health or system-presence before you continue.

Conclusion

Managing the Gateway doesn’t have to be a chore. By using the openclaw gateway status and openclaw doctor commands, you can keep your environment clean and stable.

If you hit a specific error that isn’t listed here, try the AI Setup Assistant.

What’s Next

• Detailed Troubleshooting
• Configuration Reference
• Authentication Setup
• Running as a Background Process