Applied Merchant Systems is committed to providing you with the highest level of support. This section of our web site is intended to provide you with easy access to helpful forms, guidelines, and answers to frequently asked questions.

All requests for changes to your account must be made in writing and signed for by the principal noted on the original application and agreement. All requests must also include the business name and the merchant number. General change request forms are available on this page for you to download. Our knowledgeable and helpful staff is available to assist you during business hours. Please feel free to contact our Merchant Services Department at (800) 348-6712 with any additional questions you may have regarding your Applied Merchant Systems account.

WonderPay Documentation

The documents below are provided to assist you in incorporating the WonderPay products into your business. Most are available in .pdf format, which requires Adobe Acrobat Reader to view. Click below to download a copy of the Acrobat Reader.

For questions regarding your existing WonderPay account, contact us at:

• Phone: (800) 348-6717
• Email: support@WonderPay.com

Getting Started Guide click to download An overview of the WonderPay Software and Payment Gateway. This guide also answers questions about e-commerce, credit card and ACH payments and fraud controls. Integration Guide click to download Detailed technical information for your technical support staff responsible for integrating your existing e-commerce system with WonderPay Software. Card Present Transactions Guide click to download Detailed technical information for your technical support staff responsible for integrating your POS or other card present credit card and debit transaction processing application with WonderPay Software. Distribution Package click to download Sample code and files used for integration. Includes a fully functional sample shopping cart. Mobile Merchant Center User Guide click to download   This document describes how to submit transactions and run reports from your handheld wireless device. Membership Guide click to download This document describes how to use the Membership / Subscription application to provide areas on your website that are only available to registered users. Batch Processing Guide click to download   This document describes how to submit bulk transactions to the WonderPay Software batch processor.   Download Adobe Acrobat Reader