• 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.

  — Read More

•  4D Accounting SDK

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

  — Read More

•  4D Shipping SDK

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

  — Read More

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.

• 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.

  Download Now

• Highlights

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

• What Clients Say

  • I discovered your components after spending a week with First Data specs, what a relief! In two days I had my prototype ready for management review.

  • Our team was so relieved when we found your components. Within a few minutes, following the excellent documentation, we were processing credit cards. Thanks for a quality and value-for-money product.

  • Your payment processing library is definitely worth it, it has saved us literally hundreds of development hours. And your support has been outstanding, patiently “holding our hand” as we integrated CC payment processing into our POS.

  
  

Our Happy Clients