Over $10 Billion per year processed!

4D Payments SDK

Direct Credit Card Authorization and Payment Processing

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4D QuickBooks Integrator

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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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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  • 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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