High-Yield Checking

Choose the best high-yield checking account for your needs:

  • Prosper Checking: Earn up to 0.70% APY1,2
  • Flourish Checking: Earn up to 2.00% APY1,3

Flourish checking

Two Great Ways to Earn More Interest on Your Checking!

NASB offers two interest-bearing checking accounts to help you earn more on your money. Which one is right for you?


Prosper Checking

For a checking account with benefits

  • Up to 0.70% APY1 on your balance
  • NASB Plus App: Access exclusive discounts and money-saving benefits to help you save more - Enjoy deals on shopping, dining out, and travel, prescription drug discounts, cell phone protection, ID theft aid, 24/7 roadside assistance, and more. Learn more here.3
  • No Monthly Maintenance Fee: As long as the minimum monthly balance of at least $1,500 is maintained. Otherwise $8/month4
  • $1,500 minimum to open and earn interest

Open a Prosper Account





Flourish Checking

For the high-rate seeker

  • Up to 2.00% APY1 on your balance
  • No Monthly Maintenance Fee: As long as the minimum monthly balance of at least $5,000 is maintained. Otherwise $10/month4
  • $5,000 minimum to open and earn interest





Open a Flourish Account




Easy Access with the NASB Mobile App

With both accounts, you can manage your finances on the go with the dynamic NASB Mobile app. View transactions, set budgets, and see how and where you spend your money in one place. Plus, link external accounts and see your complete financial picture at a glance.3

FDIC-Insured

Your deposits are safe and secure with FDIC insurance, up to the maximum allowed by law.


What Our Customers Say
general banking testimonials



Open Your Prosper or Flourish Checking Account in 3 Easy Steps!

 

Number 1 third

Enter Your Info

Provide your address, phone, email, Social Security number, and answer a few simple questions.

Number 2 third

Fund Your Account

Make your initial deposit by entering your bank account details. Choose the account that’s right for you and transfer the minimum deposit to activate your account.

number 3 third

Confirmation

Check your inbox for a confirmation email with your account number and all the details you need to get started.



Open a Prosper Account

Open a Flourish Account


Open your account entirely online in just 10 minutes.




Recognized Excellence
Recognized Excellence

Community Support

$5 Million+ Invested

 

In Kansas City communities since 2020

"Well Capitalized"

FDIC Capital Classification

 

As of quarter end June 30, 2025



Bauer Financial


Star ratings are current as of 09/29/2025 from Bauer Financial


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TERMS AND CONDITIONS

1Annual Percentage Yield (“APY”), Effective Date: 10/24/2025, valid for accounts opened in-branch and online. Rates subject to change without notice and after the account is opened. Prosper Checking earns interest on the following account balance tiers: $.01 - $4,999.99= 0.45% APY, $5,000 - $49,999.99 (Non-Qualified)= 0.45% APY, $5,000 - $49,999.99 (Qualified)= 0.55% APY, $50,000 - $1,499,999.99= 0.50% APY, $1,500,000 or greater = 0.50% APY. Flourish Checking earns interest on the following account balance tiers: $.01 - $19,999.99= 0.50% APY, $20,000 - $1,499,999.99= 2.00% APY, $1,500,000 or Greater= 0.60% APY. The interest rate and annual percentage yield may change after opening the account. 

2Internet and/or wireless service provider charges may apply. Cell phone protection and personal identity theft benefits are subject to additional terms and conditions. Participating merchants on BaZing are not sponsors of the program, are subject to change without notice, may not be available in all regions, and may choose to limit deals. Insurance products are: NOT FDIC INSURED, NOT A DEPOSIT, MAY LOSE VALUE, NOT INSURED BY ANY FEDERAL GOVERNMENT AGENCY, NOT GUARANTEED BY NASB.

3For Flourish checking accounts, if your balance on each day of the monthly statement cycle remains at $5,000 or above, the $10 monthly fee will not be charged. If your balance on any one day of the monthly statement falls below $5,000, you will be charged a fee of $10 for that cycle. For Prosper checking accounts, if your balance on each day of the monthly statement cycle remains at $1,500 or above, the $8 monthly fee will not be charged. If your balance on any one day of the monthly statement falls below $1,500, you will be charged a fee of $8 for that cycle. Your daily balance on each day is the ending balance of the account from the previous day, plus deposits and minus withdrawals made that business day. Additionally, for Flourish or Prosper accounts, if you close the account within 90 days of opening, a $30 Account Closure Fee will be applied to your account.