card.io

PayPal · Payments · Family cardio

0 apps in catalog 1 platform supported

Open-source card scanning library from PayPal that read card numbers through the camera. No longer maintained, but older payment apps still bundle it.

Reverse lookup

No apps in the catalog use this SDK yet

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.

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Frequently asked questions

Common questions about the card.io SDK.

What is card.io?

Open-source card scanning library from PayPal that read card numbers through the camera. No longer maintained, but older payment apps still bundle it.

Who makes card.io?

card.io is published by PayPal. See every PayPal SDK and adoption stats on the vendor profile.

How many apps use card.io?

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.

What category is card.io in?

FlyTrap classifies card.io under Payments.

How does FlyTrap detect card.io?

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.