nexo Retailer – Swedbank Pay nexo Retailer v3.1

The interface is based on nexo Retailer version 3.1 and uses XML message formats over HTTP/TCP. For reference it may be a good idea to download the nexo specifications from www.nexo-standards.org, but the essentials will be described here. Keep in mind that nexo Retailer is a large protocol standard and we do not currently support every aspect of it.

nexo Sale to POI Protocol Specifications Version 3.1
nexo Sale to POI Transport Protocols v3.1

Download the full NIS V4.0 package to find the documents and schema files as well.

Communication

The terminals are communicating over IP LAN or WLAN and the intended style is that both the integrating party and the terminal implements a server and a client. There is however, a solution to let the sale system act as a client only.

Quick Guide

Start here. Fast track to go through the essentials for making a payment

Address of Terminal Sent To POS

Easier configuration of POS by picking up the terminal address from the configuration message sent from the terminal when pressing Save in terminal’s admin menu.

Loyalty The Easy Way

The simplest form of loyalty implementation using CNA from PaymentResponse

Advanced loyalty

Possibility to read one or more cards prior to payment request, makes it possible to give a discount for members at time of payment

Dialog with customer

Possibility to display message or ask customer for information

Use A920pro printer

Possibility send a PrintRequest with information to be printed on the integrated A920pro terminal printer

Fuel Functionality

A matter of adding SaleItem elements to the PaymentTransaction element in a PaymentRequest.

Include Purchase Order Number

A Purchase Order Number may be included in the PaymentRequest and will be forwarded to the aquirer host.

Send Card Data

Possibility to send a non-PCI regulated “card number” to the terminal