Getting Started

PaymentXP Gateway API

Introduction

This document provides technical specifications for processing financial transactions through the KORT Payments PaymentXP gateway using HTTPS POST to transmit and receive data.

Test Environment

You can explore the payment gateway through the demonstration account at www.paymentxp.com with the provided test credentials.

Important notes

• Transactions processed with gateway mode set to 'test' will appear normal but will not be sent to the processor.
• Update mode to 'LIVE' when ready for production.
• Activity in test mode or pre-production environments will not reach processors, and some functionality may be limited (credit transactions, real-time responses, etc.).

Base Endpoint

Resource URL: https://webservice.paymentxp.com/wh/webhost.aspx

All API requests use POST method with application/x-www-form-urlencoded content type.