Updated Nov 25, 2025 · v1.2.2
Secure fuel card transactions
Card Authenticator is a simple, free, two-factor authentication app to keep your fuel card transactions secure. Once your fleet manager enables Dynamic Prompt on your fuel card, you can use Card Authenticator to generate the time-sensitive code needed to complete a transaction. Here’s how it works: Step 1: Generate code Before swiping your card, open Card Authenticator to generate a code. Step 2: Swipe card Continue with your transaction as you normally would by swiping your card. Step 3: Enter code Enter the code provided from the app to complete your transaction. Fast, easy, and secure. Note: You will need to know your card number and PIN or passcode to log in.
3 years on Google Play
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