How to Set Up Nuki Smart Lock with Amazon Alexa and Google Assistant: A Step-by-Step Guide

Voice control has become one of the most convenient ways to interact with your smart home devices. With your Nuki Smart Lock integrated into Amazon Alexa or Google Assistant, you can lock or unlock your door hands-free, check its status, and even create routines that automatically secure your home when you say goodnight. This guide walks you through the entire setup process, from prerequisites to testing your first voice command.

Whether you own the latest Smart Lock Pro (5th Gen) or the high-performance Smart Lock Ultra, the integration steps are nearly identical. You will need a compatible Nuki Bridge (or a device with built-in bridge functionality) and the Nuki app installed on your smartphone. If you haven't already installed your lock, we recommend checking our detailed installation guides first. Once your lock is operational, voice control is just a few taps away.

What You Need Before Starting

Before you can control your Nuki Smart Lock with voice assistants, ensure you have the following hardware and software ready. First, you need a Nuki Smart Lock that supports bridge connectivity. Models like the Smart Lock Pro (5th Gen) and Smart Lock Ultra are fully compatible. If you own a Smart Lock Go or an older generation, you may need an additional Nuki Bridge device to connect to your home Wi-Fi.

Second, you need a stable 2.4 GHz Wi-Fi network, a free account with either Amazon or Google, and the latest version of the Nuki app installed on your iOS or Android device. Make sure your lock firmware is up to date by checking the Nuki app settings. Finally, have your voice assistant speaker or display (e.g., Amazon Echo or Google Nest Hub) set up and connected to the same Wi-Fi network.

• Nuki Smart Lock Pro (5th Gen) or Smart Lock Ultra for direct bridge support
• Nuki Bridge (if using a lock without built-in bridge)
• Nuki app (latest version) and a smartphone
• Amazon Alexa or Google Home app installed on your phone

Step 1: Set Up Your Nuki Smart Lock in the Nuki App

If your Nuki lock is already installed and paired with the Nuki app, you can skip this step. Otherwise, open the Nuki app, tap “Add Device,” and follow the on-screen instructions to pair your lock. For the Smart Lock Pro (5th Gen), the process involves pressing the button on the lock and confirming the Bluetooth connection. Once paired, ensure the lock is connected to your Wi-Fi via the bridge function or a separate Nuki Bridge.

Inside the Nuki app, go to Settings > Smart Home Integrations. Here you will see options for Amazon Alexa and Google Assistant. You will need to authenticate each service separately. The app will guide you to log in to your Amazon or Google account and grant permissions to Nuki. This step is critical — without granting these permissions, your voice assistant won’t be able to send commands to your lock.

• Wi-Fi connectivity is essential; confirm the lock appears as “Online” in the Nuki app before proceeding.

Step 2: Connect Nuki Smart Lock to Amazon Alexa

Open the Amazon Alexa app on your phone. Tap the menu (three lines) and select “Skills & Games.” Search for “Nuki Smart Lock” and enable the skill. You will be prompted to log in with your Nuki account credentials. After logging in, Alexa will discover your devices automatically. This may take up to 30 seconds. Once detected, you can assign your Nuki lock to a specific room, such as “Front Door.”

To control the lock, simply say, “Alexa, lock the front door” or “Alexa, is the front door locked?” You can also create routines, e.g., “Alexa, goodnight” to lock all doors. For enhanced convenience, consider adding a Nuki keypad-2-208683">Keypad 2 at your entrance so you can also use PIN codes without needing to speak. The Keypad 2 pair seamlessly with the lock and works alongside voice commands.

• If Alexa says “Device is unresponsive,” check that your Nuki Bridge is online and the lock is in range.

Step 3: Connect Nuki Smart Lock to Google Assistant

Open the Google Home app. Tap the “+” icon in the top left corner, then select “Set up device.” Choose “Works with Google” and search for “Nuki Smart Lock.” Tap the Nuki icon and log in to your Nuki account. After linking, Google Home will scan for available devices. Your Nuki lock should appear under “Linked devices.” You can then assign it to a home and room.

Now you can use voice commands like, “Hey Google, lock the front door” or “Hey Google, is the door locked?” For added security, Google will ask for a voice match or PIN before unlocking. You can also include your Nuki lock in routines: for example, “Goodbye” routine can automatically lock the door. If you have multiple Nuki locks, each will appear as a separate device and can be named individually.

• Make sure voice match is set up in Google Home for hands-free unlocking without a PIN.

Troubleshooting Common Voice Setup Issues

If voice commands fail, start by checking the Nuki app to confirm your lock is online. A common issue is the bridge losing connection due to Wi-Fi interference. Relocate your bridge closer to the router or use a Wi-Fi extender. Also ensure your lock firmware and Nuki app are updated. If your lock appears offline, power cycle the bridge and lock.

Another frequent problem is authentication expiry. Occasionally Nuki’s integration with Alexa or Google may require re-linking. Simply go to the respective skill settings and re-link your Nuki account. If you have the Smart Lock Ultra, its stronger Wi-Fi radio and Bluetooth 5.2 help reduce connectivity drops. For Smart Lock Pro (5th Gen) users, updating to the latest firmware often resolves stubborn issues.

• Try removing the skill from Alexa/Google and adding it again if nothing else works.

Voice control transforms your Nuki Smart Lock into a truly hands-free device, locking your door with a simple phrase or as part of a larger smart home routine. Whether you own the premium Smart Lock Ultra or the reliable Smart Lock Pro (5th Gen), the setup is quick and the benefits are immediate. Start exploring the full potential of your smart lock by integrating it with Alexa or Google Assistant today — you will wonder how you ever managed without it.