Short answer
Nuki Smart Lock Ultra is works with Alexa. For most users, the practical path is to open alexa and add a matter accessory.
Compatibility summary
| Device | Nuki Smart Lock Ultra |
|---|---|
| Platform | Alexa |
| Status | Works |
| Required hubs | Compatible Echo device or Alexa Matter controller, Thread border router |
| Protocols | Matter, Thread, Bluetooth, HomeKit |
| Confidence | high |
How to connect
- Open Alexa and add a Matter accessory.
- Scan the Matter setup code.
- Keep the controller online for remote access and automations.
What may not work
- Requires Thread Border Router for Thread path
- Access code management in vendor app — limited via Matter API
- EU lock format — not compatible with US deadbolts
- Platform apps may expose fewer diagnostics than Home Assistant.
Troubleshooting checklist
- Confirm the exact product SKU and firmware version.
- Keep the target controller and phone on the same network during pairing.
- If Matter pairing fails, factory reset the device and retry with a fresh setup code.
- Check whether the hub is only acting as a bridge or also as a Thread border router.
FAQ
Does Nuki Smart Lock Ultra work with Alexa?
Works. The best path is: Open Alexa and add a Matter accessory. Scan the Matter setup code. Keep the controller online for remote access and automations.
Does Nuki Smart Lock Ultra need a hub?
Usually yes: Compatible Echo device or Alexa Matter controller, Thread border router.
What features may be missing in Alexa?
Requires Thread Border Router for Thread path Access code management in vendor app — limited via Matter API EU lock format — not compatible with US deadbolts Platform apps may expose fewer diagnostics than Home Assistant.