No more mailing checks or visiting a branch to make your loan payments. We’re giving you three easy ways to make your payment.

Online and mobile banking

Make a payment for FREE within online or mobile banking.

  • Online Banking: After logging in, go to Pay Your Loan and walk through the steps to connect your outside account/debit card.
  • Mobile Banking: Login, tap the More icon at the bottom right, then tap Pay My Loan.

Create an online banking account today

We’re excited to offer you this new self-service payment option. We also want to make it totally free for you to use. All you have to do is create a free online banking account.

To begin, please start a live chat or give us a call at 314.962.6363, option 6, then 2. We will set up your account today and help you connect your account/card, schedule your first payment and even set up recurring payments.

After you create your account, you can login at or make loan payments on-the-go with our convenient mobile app.

Start a Live Chat

Pay using the PAY LOAN option in the main navigation of our website. This service incurs a $3.00 fee for each use. Login using the arsenal account number associated with your loan and your five-digit ZIP code.

Over the phone

Give us a call at 314.962.6363, option 6, then 2, to talk to a Member Solutions Center representative. This service incurs a $5.00 fee for each use (no fee if you set up a recurring payment).

*We can only accept routing and account number payments on Visa credit cards. We can accept payment via phone for a $5.00 fee. You can make your payments for FREE within our CardKey app or inside online banking.

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