About Cardknox

Cardknox is an online payment gateway that offers a wide range of in-person and online checkout flows that are available out-of-box for merchants, or with customizations. The software includes APIs and SDKs, which helps developers integrate payment processing capabilities online, in-store, or via mobile devices. The payment gateway is compatible with a wide range of payment terminals and POS systems and supports a variety of payment methods such as EMV chip card, magnetic stripe, EBT, contactless, and ACH.

Cardknox’s pricing is available on request and support is provided via phone, email, FAQs and other online measures.

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1 Reviews of Cardknox

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November 2020

Jaclyn from Adapting Social LLC

Company Size: 11-50 employees

Industry: Marketing and Advertising

Time Used: Less than 12 months

Review Source: Capterra



Value for money


Customer support




November 2020

Good for Gateway


I love that this product is easy to use and batches on time.


I do not like that there is no ipad/iphone app. I do not like that when you search transactions they give you a 90 day window as I like to see every single transaction from existence for that card holder or card number. Its good as a gateway but not as an invoicing system.