File Name and Description: • AMS API User Guide Version 2.82.06.M (PDF) The USPS® Address Matching System Application Programming Interface User Guide is the primary reference document for the USPS® National Customer Support Center's Address Matching System Product. The guide contains installation instructions for each platform as well as function descriptions. • AMS API User Guide Version 2.81.01.M • AMS Cycle M Release Notes (2.80.01.M) • AMS Cycle M Release Notes (2.81.01.M) • AMS Cycle M Release Notes (2.82.06.M) • AMS API Sample License Agreement License agreement for the Address Matching System Application Programming Interface. It includes restrictrions, fees and description of use. • AMS API License Agreement Modifications This modification document lists the changes to the Address Matching System Programming interface (AMS API) product license agreement. • AMS API Order Form Order form contains rate tables and product descriptions. • AMS API Prorated Fee Structure License year is from January 1 to December 31. License fees are prorated for the initial license year. • Cycle L Modified Fees Effective August 1, 2007. • AMS Test Data