Building Your Integration

Learn about Finix's POS and mobile in-person payments integrations.


Finix offers two powerful integration choices for in-person payments, designed to meet the unique needs of your business:

POS Integration

  • Seamlessly integrate with your existing point-of-sale system using our robust API
  • Process payments directly through Finix with full control over the transaction flow
  • Ideal for businesses with established POS systems looking for a flexible, API-first approach
  • Supports a wide range of payment terminals and processing scenarios
In-Person API Diagram

Mobile Integration

  • Leverage our purpose-built SDKs for a streamlined, out-of-the-box payment experience
  • Quick and easy integration with our supported payment terminals
  • Perfect for businesses looking for a turnkey solution with minimal development effort
  • Provides a consistent, optimized payment experience across all supported devices In-Person Mobile SDK Diagram

Whether you need complete control or a quick start, Finix has the perfect solution to power your in-person payments. Get started today and transform your payment processing experience.

Don't want to build your own integration but still want to accept in-person payments? Our standalone terminals offer a simple, plug-and-play solution that lets you start processing payments right away.

Learn More