• 4D Payments SDK

    No more internet payment gateway fees, direct integration with major processors is made easy with native components for your platform of choice.

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  •  4D Accounting SDK

    Easy to use, native components that provide for quick development of fully integrated QuickBooks solutions.

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  •  4D Shipping SDK

    Real-time integration with mail carriers. Implement shipping, tracking, label creation, rate calculation and address verification functionality into your solution.

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Gateway in a box – integrate with ease

Whether you are building a POS solution, a payment processing gateway server, or doing a custom payment integration, the 4D Payments Gateway is the right tool for you. Built on top of a robust library that has processed tens of billions in credit card payments the Gateway is fast, secure and very easy to use.

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  • Download free trial

    30 day fully functional
    free trial.

    Get started today with the 4D Payments Gateway and see for yourself how easy it is.

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  • Highlights

    • Flexible self-documenting APIs
    • Embedded lightweight server
    • REST/JSON interface
    • Secure data encryption
    • PA-DSS validated
    • EMV transaction capabilities
  • What Clients Say

  • Do you wish to process transactions faster?

    Support for TSYS Interleaved transactions is included.

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