Web API

Certified Developer Program

EMS E-Commerce APIs

An Application Programming Interface (API) is a way by which one computer passes data to another. In addition, an API is a set of interface functions available to other computer applications.

This document explains the EMS E-Commerce WebAPI system of automated payment processing. You may integrate functions for processing payments into your computer systems using a variety of programming languages. These programming languages include:
  • C
  • C++
  • HTML
  • Java
  • JavaScript
  • Perl
  • Active Server Pages
  • Visual Basic
  • Visual C++

EMS E-Commerce WebAPI is a powerful set of tools that gives a key advantage to EMS E-Commerce customers with specific payment processing needs such as authorization requests, settlements, credits, transaction status requests, order details and other transaction-related activities. This API can be used as a component when creating electronic catalogs or other payment-processing applications.

Getting started with the EMS E-Commerce APIs
Connectivity requirements for developing an application