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Customer Service
From chargeback help to deposit details, our team resolves your payment concerns and keeps your transactions smooth.
Gateway Support
Optimize your account settings and get expert help with advanced transaction issues and feature support.
Technical Support
Fix and configure everything from card readers to payment software, ensuring your systems run without a hitch.
Developer Support
Get tailored support for integrating our tools, plugins, and APIs into your solutions, from presales to post-implementation.
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Developer Tools
Documentation
Jumpstart your integration with our easy-to-follow guides and robust tools
Transaction API
The Cardknox API enables developers to process payments using the Cardknox gateway.
Payment Engine SDK
Provides an easy way for developers to integrate card-present and card-not-present payment processing
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