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This extension is in our Payment category. Please remember that it is the merchant’s responsibility to ensure the proper PCI compliance level of their store, as applicable by PCI regulations. The PCI Self-Assessment is one tool you can use when evaluating Payment extensions and how they may affect your PCI compliance level. For more information on Marketplace policies, please review the Marketplace Terms & Conditions.

Cardknox Payment Gateway

This is an Integration with a Third Party Service. Other charges and fees may be required to use this extension on your Store


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Cardknox is an omni-channel payment processing gateway that provides customized payment solutions to thousands of merchants in all major retail verticals. The gateway supports a wide variety of processors and platforms, and utilizes proprietary Intelligent Routing technology to ensure smooth and uninterrupted transaction processing.

The Cardknox payment gateway extension for Magento 2 makes it easy for store owners to start accepting a variety of payment methods while continuing to take full advantage of Magento software. In addition to benefiting from frictionless payment processing, merchants who integrate with the Cardknox gateway will have access to tokenization technology to keep transactions out-of-scope and simplify PCI compliance.


Account & Pricing

Additional fees apply and will vary depending on your needs. For pricing details, please contact us. A separate account is required to sign up. Installing this extension will not create an account.



  • Supports Authorization Only as well as Authorization and Capture processing methods.
  • Ability to refund, partially refund, and void transactions without leaving Magento.
  • Allows for country restrictions on a transaction level.


 Security Features:

  • PCI DSS Level 1 compliant payment processor.
  • Both in-store checkout and admin utilize Cardknox iField technology - iframed fields that submit sensitive card data directly to the Cardknox gateway, keeping card data out of scope for PCI compliance purposes.
  • No sensitive card data is stored on the Magento server.
  • Supports tokenization for safe storage of customer cards.


Processing Payment Methods

  • Pre-authorization: Authorizes funds on customer’s credit card account. Funds are held pending transaction capture.
  • Capture: Captures existing authorized transactions for settlement upon invoicing and shipping.
  • Void: Allows you to cancel an existing transaction prior to transaction settlement.
  • Refund: Allows you to refund an already settled transaction. Full and partial refunds are supported.

Technical Specifications

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Seller profile

Cardknox Development, Inc.

Seller contact




Current Version


Adobe Commerce platform compatibility

Open Source (CE): 2.4 (current), 2.1 (obsolete), 2.2 (obsolete), 2.3 (obsolete)


Beta Build


27 February, 2023


Extensions, Payments & Security, Payment Integration


Installation Guides

User Guides

License Type

GNU General Public License 3.0 (GPL-3.0)


Privacy Policy

Quality Report

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Installation & Varnish Tests


Coding Standard


Plagiarism Check


Malware Check


Marketing Review


Manual Testing


All tests were conducted on the latest versions of Adobe Commerce that existed for the compatible release lines at the moment of the extension submission. Latest versions of all other software were used, as applicable.

Release Notes

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  • Compatible with Open Source (CE) : 2.1 2.2 2.3 2.4
  • Stability: Beta Build
  • Description:

    * Enabled split capture
    * Fix payment from applicable countries not working
    * Update the plugin to the latest version of iFields 2.14.2211.1101
    * Throw error using error object instead of string
    * Fix Googlepay not working cart page
    * Added issuerupdated event to cc method
    * Fix ability to disable GooglePay from admin configuration


  • Compatible with Open Source (CE) : 2.1 2.2 2.3 2.4
  • Stability: Beta Build
  • Description:

    * Support for Google Pay
    * Minor updates


  • Compatible with Open Source (CE) : 2.1 2.2 2.3 2.4
  • Stability: Beta Build
  • Description:

    - Show image that explains what the CVV is.
    - Validate CC data before submitting the request to avoid declined transactions.
    - Added CSP exception for using IFields
    - Fix Magento error messaging not visible enough
    - Auto void Timeout transactions
    - Fix for saving card in older versions of plugin
    - Support for Magento 2.4
    - Added reCaptcha to checkout


  • Compatible with Open Source (CE) : 2.1 2.2 2.3
  • Stability: Beta Build
  • Description:

    1. Update to version 2.5.1905 of iFields
    2. Fix for null parsing in response
    3. Additional logging
    4. Partial credit memo should not close invoice
    5. Properly set reference number for refunds
    6. Fix for table prefixes when tokens are disabled
    7. Additional validation for Admin checkout


  • Compatible with Open Source (CE) : 2.1 2.2
  • Stability: Beta Build
  • Description:

    - validate checkout form before showing spinning wheel to avoid getting stuck at spinning wheel. (admin)
    - increase timeout for iFields to avoid timeouts when generating a single use token. (front end)
    - iFields version 2.3.1808.0101


  • Compatible with Open Source (CE) : 2.1 2.2
  • Stability: Beta Build
  • Description:

    - fixed bug if response does not return a expiration date.
    - fixed issue when merging JS files.
    - fixed UI to show card and cvv as required.
    - fixed bug to avoid overriding the AVS and CVV response when capturing online.
    - update batch number after capturing online.
    - updated installation guide.


  • Compatible with Open Source (CE) : 2.1 2.2
  • Stability: Beta Build
  • Description:

    1. require CVV on store front.
    2. added vault integration.
    3. fixed partial refund to use parent transaction id.


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The best place to start if you need help with a specific extension is to contact the developer. All Adobe Commerce developers have both a contact email and a support email listed.

Contact Vendor

Q & A

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