Developers Guide

The USAePay Wiki provides a wealth of documentation for developers, merchant and resellers wishing to integrate their website, pos application or third party software.

1. Developing a payment processing application is a careful and tedious task. Merchant Services requires cooperation of several different entities such as a Merchant Bank, a Merchant Service Provider, a Processing Platform, the issuing Credit Card company, a Merchant and their developer, and of course us the USAePay gateway.
2. how to use this document:
   1. This document is meant for reference and does not follow a step by step pattern.
3. Further documentation: HTML Tutorial, all about POST & all about GET, all about SOAP

1. System Requirements
   1. A Web Server capable of making requests over port 80 (http) and port 443 (https).
2. Source Keys
   1. Defined
   2. Merchant Console Sources and Keys Settings
   3. Transaction API
   4. SOAP API
   5. PHP Library
   6. xCharge Component
   7. .NET API
   8. Coldfusion Library
   9. Perl Script
   10. Ruby Library
3. Pins and Hashes
4. Choosing an API (API Comparison)
   1. API Matrix
5. Soap WSDLs
   1. RPC/encoded
   2. RPC/literal
   3. DOC/encoded
   4. DOC/literal
6. Sandbox Server
   1. How To Obtain a Test Account
   2. Test Card Numbers
   3. Test mode
   4. Client Side v. Server Side
   5. Error Checking
      1. Result Codes and Result Messages
      2. Status Codes
      3. Error Codes
   6. Shopping Cart & eStore
      1. Requirements
      2. Compatibilities
      3. Tutorials
7. Implementing
   1. Credit Card Processing Commands
   2. Retail, Swiped Cards
      1. Receipt Printing
   3. Multi-Currency Processing {added}
   4. Verified by Visa/Mastercard Secure Code {added some content}
   5. Level 3 Processing
   6. Tokenization
   7. Check Processing
   8. Recurring Billing {added some content}
      1. Overview
      2. Set up new customer
      3. Edit customer
      4. Delete customer
   9. Payment Button
   10. ePayment Form Customization
   11. Integrated Login
   12. Batch Processing
8. Updating
   1. Developer Newsletters: {added}
   2. Gateway Changes and Announcements
   3. Transaction API Changes
   4. SOAP API Releases
   5. Specific Application and Library Releases:
      1. Dot Net
      2. PHP
      3. Java Library
      4. COM Object
      5. xCharge Active-X Control
      6. Coldfusion Library
      7. Delphi Visual Component Library
      8. Perl Examples
      9. JavaScript Code
      10. C/C++ Library
      11. Ruby Library
   6. ePayCharge
   7. Wireless ePay - Mobile OS
9. Appendixes
   1. Quick Reference Guides
      1. Test Credit Card Numbers {added}
      2. AVS Result Codes {added}
      3. Card ID Result Codes {added}
      4. Errors by Code
      5. Errors by User Message
      6. Currency Codes
      7. API Field List
   2. Glossary of Terms {added} [needs to be checked for missing terms]
   3. Frequently Asked Questions [what are they?]
      1. Q: Is USAePay a terminal capture system or host capture system? A: Terminal Capture
   4. Troubleshooting