API Reference

Introduction

Key2Payment Gateway Merchant Implementation Guide

Purpose and Objective

The main purpose of the Merchant Implementation Guide is to provide merchants with the necessary technical information when integrating their applications with Key2Payment Gateway. This manual contains a technical overview of this integration, the payment transaction flows, as well as the message formats required between Key2Payment Gateway and the merchant system. This manual also contains step-by-step setup instructions and sample scripts which merchants will find useful in their integration efforts with Key2Payment Gateway.

Audience

The Key2Payment Gateway Merchant Implementation Guide is intended as a technical guide for merchant developers and system integrators who are responsible for designing or programming the necessary online applications to integrate with Key2Payment Gateway.

Assumptions / Exclusions

Merchant developers and system integrators are expected to have a working knowledge of Web / Application server technology.