2026.8.2
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Monzo

Monzo is a digital bank. The Monzo integrationIntegrations connect and integrate Home Assistant with your devices, services, and more. [Learn more] connects your Monzo accounts to Home Assistant, where you can monitor account and pot balances.

Prerequisites and approval

  1. Sign in to the Monzo developer portal with your Monzo account.

  2. Go to Clients > New OAuth Client to create an OAuth client for Home Assistant.

  3. Enter the following values. Use the redirect URL exactly as shown; do not replace it with the URL of your Home Assistant instance:

    • Name: Home Assistant
    • Logo URL: Leave this field blank
    • Redirect URLs: https://my.home-assistant.io/redirect/oauth
    • Description: For example, Used by the Monzo Home Assistant integration
    • Confidentiality: Confidential

  4. Once submitted, you can proceed with adding the integration.

    • Go to Settings > Devices & services and add the Monzo integration.
    • Enter the client ID and client secret for the OAuth client you created in the Monzo developer portal.
    • After you authorize Home Assistant access, approve the request in the Monzo app. Home Assistant waits for this second approval and completes setup automatically. If you see Approval timed out or Connection error, follow the on-screen instructions to try again.

Configuration

To add the Monzo service to your Home Assistant instance, use this My button:

Manual configuration steps

If the above My button doesn’t work, you can also perform the following steps manually:

Adding a second account

  1. Create another OAuth client by repeating the steps above.
  2. In Home Assistant, add the new credentials before adding the new integration entry.
    • On the Devices & services page, select the three dots menu in the top-right corner, select Application credentials, and then select Add application credentials.
    • In the Name field, include the Monzo user’s name so you can identify the correct OAuth client during setup.
  3. Return to Devices & services > Monzo, select Add entry, and authenticate the second account.

Sensors

The integration creates a device for each account and pot. Each device has the following sensor:

  • Balance: The current balance of the account or pot.

Each account device also has the following sensor:

  • Total balance: The current balance of the account plus all of its pots.

Removing the integration

This integration follows the standard integration removal process. No extra steps are required.

To remove an integration instance from Home Assistant

  1. Go to Settings > Devices & services and select the integration card.
  2. From the list of devices, select the integration instance you want to remove.
  3. Next to the entry, select the three dots menu. Then, select Delete.