Cardknox Knowledge Base – Payments for a new generation

Accept Online Payments
Accept online and mobile app payments with ease
with our flexible API.

API Documentation

Our robust API supports recurring payments, our proprietary account updater tool, guaranteed fraud decisions, and advanced tokenization to make integrating with Cardknox a seamless experience.

iFields

Sensitive card information bypasses the merchant’s server and is sent directly to our PCI DSS validated servers where the data is tokenized, giving you a secure way to build payment forms while staying out of PCI scope.

Mobile Payments

Seamlessly integrate SDK for iOS and Android for card-not-present and card-present mobile transactions with native support for mPOS EMV chip-card hardware and processing.

Accept In-Person Payments
Accept multiple payment methods for
card-present transactions safely and securely.

API Documentation

Tightly integrate out-of-scope, in-store payments including EMV chip card, ACH, Gift Card, EBT Food Stamp, EBT Cash Benefits, and WIC EBT (eWIC).

BBPOS

Accept EMV payments securely and automate the entire payment flow while remaining out of PCI scope with our browser-based POS solution.

SDK Resources

Our robust Payment Engine SDK enables developers to easily implement payments into their system.

Frequently Asked Questions

Is there a way to specify that only numbers can be entered into a credit card number field or a CVV iFields field? Or can the system generate an error message if the format of the numbers entered is not valid?

How do I obtain an API key?

Where can I find API documentation?

What devices are supported for in-store payments?

How do I close a batch so I can get funded?

Does Cardknox support contactless payments?

How can I ensure that the customer receives a receipt of the transaction details when they place an order on a merchant’s website?

Does Cardknox support Magento 2?

Does Cardknox support Magento 1?

What is the Cardknox mobile app?

Does the Cardknox mobile app work with an external credit card device?

What is Cardknox iFields?

Glossary of Terms

Here is a list of some of the most commonly used payment processing terms