Section One - Introduction to AIM
Section Two - Submitting Transactions
Section Three - Transaction Data Requirements
    Transaction Data Requirements
    Transaction Post Location
    AIM Transaction Submission API
    Merchant Information
    Transaction Information
    Order Information
    Itemized Order Information
    Customer Information
    Shipping Information
    Additional Shipping Information (Level 2 Data)
    Cardholder Authentication
    Merchant-Defined Fields
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