CardValet® Mobile App

Protect Yourself Against Fraud

Security Controls for Your NASB Debit Card

Protect yourself against fraud – Control when, where, and how your debit card is used with the CardValet® app on your smartphone.

Fraud Protection

Fraud Protection

Easily turn your debit card ‘On’ or ‘Off’ within the app. When a card is set to ‘Off,’ no purchases or withdrawals can be made.

Monitor Use

Monitor Use

Establish transaction controls for dollar amount limits, merchant categories and specific locations or geographic areas.

Control Spending

Control Spending

Set custom alerts and take control of spending on your card. Establish spending limits and receive alerts when your debit card is used or exceeds the transaction controls set by you.

Stay Informed

Stay Informed

Receive real-time alerts anytime your debit card is used on attempted, approved, or declined transactions. You can even set an alert when your card is used at an ATM.


Want to Learn More?

Download our CardValet® Quick Reference Guide or watch this short video for additional information.


Ready to Get Started?

Getting started is easy. Just download the CardValet app to your smartphone from the Apple® App Store or Google Play from your compatible mobile device.*  After downloading the app, complete the registration process ensuring that your account validation information matches that on file with NASB for your personal or business NASB Debit Card. Then, customize your usage settings and alert preferences to manage your card(s).

Available on the App Store

Get it on Google Play


CardValet FAQs

No – The CardValet mobile app is offered as a free service to NASB customers to use on their personal and business debit cards. Standard messaging and data rates may apply. Check with your mobile service provider for details on associated fees and charges.
The CardValet app works with the most recent mobile operating software as well as two past generations of Android and iPhone devices.
Download the CardValet app to your smartphone. The registration process will step you through the enrollment to add your card information to set up your account.
Yes, you can download and set up CardValet on multiple devices; however, you are required to set your primary device. The primary device is used to determine your location (via your phone’s GPS) and will receive all alerts.
Yes, you can have multiple NASB Debit Cards linked to your CardValet account, but you cannot link debit cards from other financial institutions.
No, CardValet only works with debit cards at this time.
Yes, you can unsubscribe through the CardValet application via Manage Portfolio. To unsubscribe, uncheck all cards and accounts and tap OK.
Yes, you must re-enroll with a new username.
The CardValet app will automatically log you off after 10 minutes of inactivity.
The new card number must be registered within the CardValet app, by going to your profile via Menu>Manage Portfolio>Add Card. The old card cannot be removed, but you can unenroll the card through the Manage Portfolio screen.
The location controls and alerts will check to ensure the merchant location is within a few miles of the primary device.
If you are within certain proximity of the device the location settings may not impact your purchase. If you are too far away and outside of a certain range, then your transaction will be declined.
It is possible that the merchant’s address is not the physical location of the merchant, i.e., they use the corporate or regional address.
Yes, you can block international transactions by using the Block International location control.
No, location controls are for in-store purchases only.
The controls or alerts take effect immediately after the Updating information message in the app completes.
You can set the Do Not Disturb time that will suppress notification during that time frame. Some notifications will still be delivered, for example, any transaction denial or any transaction that is a card-present authorization.
The alerts are sent as push notifications to your device. They are also displayed in the Messages section of the CardValet app. You will need to have notifications for CardValet turned on.

*CardValet® is a registered trademark of Fiserv, Inc. or its affiliates. App Store is a service mark of Apple, Inc. Android, Google Pay, and the Google Play app are trademarks of Google, Inc. The mobile app is offered as a free service to NASB Debit cardholders. Standard data charges from your cell phone provider may apply for text messaging or Mobile Web access. Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. Samsung Pay is a trademark of Samsung Electronics Co., Ltd., and is available on select Samsung devices.