pipay 

PiLink is a .NET SDK for PiPay that provides APIs and helpers for processing card-present and card-not-present transactions, including support for card fees and tips.

PIConnect DLL is a small, fast an accurate collection of methods and functions required to utilize semi-integration technology in PAX devices.

SmartConnect is a C# DLL designed to simplify payment processing on Pax and Valor terminals. It streamlines integration, ensuring secure, reliable, and efficient transaction workflows while reducing development... More information

Semi Integration solution for Payment Processing using Pi Technologies API