---
title: "Card Authenticator — App Overview"
url: https://marlvel.ai/intel-report/finance/card-authenticator
category: Finance
developer: WEX, Inc.
platforms: ios, android
rating: 3.9 (9 ratings)
pricing: free
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T01:04:16.677Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This app serves as a mandatory security token generator for WEX fuel cardholders to authorize transactions via Dynamic Prompt.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Finance |
| Rating | 3.9 ★ (9) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.0 |
| Latest Version (Android) | 1.2.2 |
| Developer | WEX, Inc. |

<!-- SECTION: Summary -->
## What is Card Authenticator?

Card Authenticator is a security utility developed by WEX, Inc. that provides two-factor authentication for fuel card transactions. The app enables users to generate time-sensitive codes required to authorize payments once the Dynamic Prompt feature is activated by a fleet manager.

<!-- SECTION: Key Features -->
## Key Features

- **Dynamic Prompt Integration**: Generates time-sensitive codes specifically for fuel cards enabled with the Dynamic Prompt security feature.
- **Transaction Authentication**: Provides a secondary verification step that must be entered at the point of sale to complete a fuel purchase.
- **Secure Access**: Requires the user to provide their card number and PIN or passcode to access the authentication interface.

<!-- SECTION: Target Audience -->
## Who is it for?

Fleet cardholders who require an additional security layer for fuel transactions.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/card-authenticator/id6446494443?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.wex.fleetcardauth&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/finance/card-authenticator)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/finance/card-authenticator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*