Address Matching System API (AMS API)
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Address Matching System API (AMS API) Announcements
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Fact Sheets
07/08/2025
Address Matching System API (AMS API) Licensing Fees

This document outlines the AMS API prorated fee structure.

Applications/ Forms
07/08/2025
Address Matching System API (AMS API) Order Form

Order form for the AMS API product.

Fact Sheets
07/08/2025
Address Matching System API (AMS API) Licensing Fees

This document outlines the AMS API prorated fee structure.

Applications/ Forms
07/08/2025
Address Matching System API (AMS API) Order Form

Order form for the AMS API product.

Applications/ Forms
04/11/2025
Address Matching System API (AMS API) License Agreement Modifications

This Modifications document lists the changes to the current Address Matching System Application Program Interface (AMS API) Product License Agreement.

Applications/ Forms
04/11/2025
Address Matching System API (AMS API) Sample License Agreement

United States Postal Service® sample license agreement for the Address Matching System Application Program Interface (AMS API) Product.

Applications/ Forms
04/11/2025
Address Matching System API (AMS API) License Agreement Modifications

This Modifications document lists the changes to the current Address Matching System Application Program Interface (AMS API) Product License Agreement.

Applications/ Forms
04/11/2025
Address Matching System API (AMS API) Sample License Agreement

United States Postal Service® sample license agreement for the Address Matching System Application Program Interface (AMS API) Product.

Fact Sheets
01/22/2025
Licensing Fees

This document contains information about licensing fees for USPS® Licensed Products.

Applications/ Forms
12/01/2022
Electronic Product Fulfillment (EPF) Web Access Request Form

This form is used to create a Web-based account with the Addressing and Geospatial Technology (AGT) office which will be utilized to retrieve/download files from the Electronic Product Fulfillment (EPF) website.

Announcements
01/23/2017
AMS API Prorated Fee Structure

Current prorated fee schedule for Address Matching System (AMS) Application Programming Interface (API). 

Announcements
01/05/2017
Licensing Announcement: SHA‐256 Products on EPF

To comply with the recommendations from the December 2014 Office of Inspector General (OIG) audit of the NCOALink® program, the USPS® will transition the monthly AMS API data from SHA‐1 to SHA‐256 technology as the method for data encryption.

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