Healthcare IT Vendors Solutions

Development of Payment Processors on AS400 for Fitness Club Solution Provider

One of the largest end-to-end solution provider for gyms and fitness clubs across North America and Europe required building a solution that allows multiple payment processors on AS400 to interact with the system for automated processing.

Client Challenge

The client had the billing system developed on IBM AS400 servers and wanted to build a new system which would allow multiple payment processors such as Chase, First Data, Vantiv, BBVA etc., interact with it and automate processing. The new system was expected to consider the specifications of each payment processor with respect to the country of operation, handle scale, be extensible to other payment processors and allow for changes in future.


Nalashaa’s expertise in the domain equipped the client with an Integrated Language Environment (ILE) RPG and CL programming solution using Transaction Processing Engine (TPE), which allows customizable modularized components for templating. Apart from facilitating addition of payment processor with minimal programming facilitating future changes in the formats with ease, Nalashaa also helped the client certify with each payment processor. Our team was vigilant to thoroughly test the developed solution to meet client objectives.

Certified Payment Processor

Customizable Modularized Components

Easy integration/changes in future

Technology Stack

  • RPG 400
  • ILE CL

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