Exciting news! On October 27, 2025, our holding company, FirstSun Capital Bancorp and First Foundation Inc. jointly announced that we have entered into a definitive merger agreement. Read the full announcement on the FirstSun Investor Relations website: https://ir.firstsuncb.com/news/news-details/2025/FirstSun-Capital-Bancorp-and-First-Foundation-Inc--Combining-in-All-Stock-Merger/default.aspx

Important Fraud Alert: We have received reports of fraudulent calls appearing to be from Sunflower Bank. If someone contacts you claiming to be from Sunflower Bank or First National 1870 and asks you to provide online banking login credentials or account information, do not follow their instructions and hang up because #BanksNeverAskThat. Do not provide any details or visit any websites at their request. Please call our Customer Care directly at 888.827.5564 if you have any concerns.

Debit Card Spending Control Services

Instantly control when, where and how your debit card is used

CardControl is our free, on-the-go companion app that helps you control debit card spending, and allows you the ability to turn your debit card(s) on and off when you’re not using them.

With CardControl you ultimately decide the types of purchases your personal debit card can authorize — giving you the power to enable or disable different types of transactions is at your fingertips, for any debit card that you manage. You can also set travel alerts before going abroad or moving around the country to ensure your card works smoothly and instantly manage your cards—all within the easy-to-use service.

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Get Started with CardControl in Three Easy Steps

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Log In:

Open Personal Online Banking on desktop or the Personal Mobile Banking App.

  1. Online Banking: Click on the CardControl tab in the navigation menu at the top of the screen.
  2. Mobile App: Find the CardControl button at the bottom of the screen or the menu.

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Verify Your Debit Cards:

Personal debit cards will be pre-loaded into CardControl for existing users. New users will enter your debit card information. 

Simply follow the prompts, review the information to ensure everything looks correct, and you’re all set.

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Explore and Customize:

Review the features, enable alerts and set personalized controls.

Please note after August 26, CardControl will be seamlessly integrated into Personal Online Banking and the Mobile banking App. The former standalone CardControl app will no longer be in service, and users can delete it.

It’s easy to use, and helps reduce fraud and misuse of your cards. 

With CardControl, you can:

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Set alerts for exceeding threshold amounts.

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Set limits on transactions, including dollar amounts and merchant categories.

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Turn your card on/off if it’s lost or stolen, or if it’s not being used.

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View card

 transaction history.


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Restrict transactions to merchants located within a certain location range.

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    Accountholder Guide

    Are you a current customer? Check out our Accountholder Guide for additional information.

    Learn More

Additional Online Services

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    Credit Sense

    Credit Sense powered by Savvy Money® allows you to stay on top of your credit score. Learn more about this powerful and FREE service.

    Learn More in Credit Sense
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    Zelle

    Start sending money with Zelle®. It’s fast, safe and easy way to send money.

    Learn More in Zelle

*Message, data rate, and charges may apply. check with your wireless carrier for details.