PayPal · Payments · Family cardio
Open-source card scanning library from PayPal that read card numbers through the camera. No longer maintained, but older payment apps still bundle it.
No app references yet
We haven't detected card.io in any app in the current catalog. That doesn't mean it isn't out there. Just nothing we've indexed yet uses it.
Common questions about the card.io SDK.
Open-source card scanning library from PayPal that read card numbers through the camera. No longer maintained, but older payment apps still bundle it.
card.io is published by PayPal. See every PayPal SDK and adoption stats on the vendor profile.
No apps in the current FlyTrap catalog have card.io detected yet. That does not mean nothing uses it, only that nothing we have indexed so far does.
FlyTrap classifies card.io under Payments.
FlyTrap looks for card.io's fingerprints in the app binary, such as known package names, classes, and bundled libraries, across native, React Native, and Flutter builds. No SDK or source access is required.