Integrate With Cardknox to Process Multiple Payment Types

Boost sales by enabling your merchants to accept and process multiple payment types, including credit cards, ACH payments, and more.
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Flexible Payment Options

Customers expect to have multiple options to pay for purchases, so offering your merchants the ability to accept different payment types gives them the flexibility they need to boost sales and increase profits. When you integrate with Cardknox, you’ll get robust omnichannel payment solutions to help you create fully customized payment flows that elevate the customer experience.

Integrating with Cardknox makes it easy to accept all the following payment types for in-store, online, or mobile purchases:
  • ACH payments
  • EBT payments
  • Credit Cards
  • Debit cards
  • EFT payments
  • Gift cards
Get ready for secure payments
optimized for your industry.
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Integrate Credit and Debit Card Processing

With the Cardknox API, credit card processing is a snap. Your merchants can accept and process transactions from all major credit and debit cards through the Cardknox payment gateway with the help of our Cardknox API.

In-Store Payments

Offer your merchants support for credit and debit card processing with ultimate speed and convenience: choose from our wide array of intuitive solutions for card-present transactions.

 

  • Select from our robust series of countertop and wireless terminals.
  • Get reliable, fast, and efficient processing that supports whatever payment type your merchants prefer, including EMV, magnetic stripe, or contactless payments.
  • Enjoy seamless integrations with POS hardware and software optimized to your industry and tailored for your merchants.
  • Keep merchant and customer data safe and secure with PCI-validated point-to-point encryption.

Online Payments

Take the online store experience from good to great with a wide selection of flexible, quick, and secure customer checkout solutions to choose from.


  • Your merchants will get paid fast by using our convenient and secure plugins for popular e-commerce platforms like Magento, WooCommerce, and many more.
  • Offer your merchants a simple and painless customer checkout process by securely saving payment information.
  • Use our PaymentSITE online hosted forms as a standalone payment solution or embedded within your merchants’ websites.

Mobile Payments

Our powerful yet simple mobile software solutions support tap-to-pay, dip or swipe credit cards, capture signatures, send receipts, and more.


  • Your merchants will enjoy seamless, fast, and secure mobile payment integration for card-present and card-not-present transactions.
  • Give customers more options with the ability to use contactless, EMV, or magnetic stripe cards.
  • Enable your merchants to easily print receipts or send digital receipts to their customers.

The Cardknox Payment Solution

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Flexible API

The Cardknox API enables developers to process credit and debit card, e-check (ACH), EBT, gift card, and fraud protection transactions via the Cardknox gateway. Our flexible API solutions make integrating with Cardknox a seamless experience, and are sure to supercharge business performance.

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Enhanced Security

Enhanced Security Data encryption and tokenization keep cardholder information safe from hackers as the data moves through the transaction process.

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In-House White Glove Customer Support

Cardknox is A+ rated with the BBB and is available on-demand to ensure your experience is always as smooth as possible. Benefit from specialized teams offering customer service and integration guidance to support your every need.