Section One - Introduction to AIM
Section Two - Submitting Transactions
Section Three - Transaction Data Requirements
Section Four - Transaction Response
Section Five - Test Transactions
Appendix A - Fields by Transaction Type
Appendix B - Alphabetized List of API Fields
eCheck.Net Developer Guide
    eCheck.Net Developer Guide Introduction
    Transaction Data Requirements for eCheck.Net
    Transaction Response for eCheck.Net
    Minimum Required Fields for eCheck.Net
    eCheck.Net Return Codes
    eCheck.Net NOC Codes