BMO Harris Card Monitor

New! An easier way to control and monitor your card transactions

Easily manage your credit card account and track transactions with Card Monitor alerts1. To set up alerts, sign in to your online credit card account site.

You can:

  • Choose the alerts you want and how they’re sent to you – by text, email and/or phone
  • Set up alerts by transaction type, merchant type, location and more
  • Be notified when a bill payment is due or missed
  • Receive and respond to fraud alerts if there’s suspicious activity on your card
  • Text us questions about your credit card and we’ll quickly text back the answers
Learn more

Get started

Go to Account Access

Have a BMO Harris Small Business credit card?

Learn more

Card Monitor allows you to securely2 track and manage your debit card through the BMO Harris Mobile Banking® app1. Just sign in to set up your controls and alerts.

You can:

  • Turn your debit card on and off whenever you want
  • Decide how, when and where your debit card is used
  • Set transaction restrictions by location, merchant type, transaction type, and spending limit
  • Customize the types of transactions you want to be notified about and receive real-time alerts
Learn more

Get started

Already using our mobile banking app?

New to Online Banking?

You’ll need to enroll in BMO Harris Online Banking® before downloading the mobile banking app.


Mastercard is a registered trademark, and the circles design is a trademark of Mastercard International Incorporated.

  1. Message and data rates may apply. Contact your wireless carrier for details.
  2. Visit the BMO Harris Security Center for details.