Tech Guides
01/23/2025
Current Mail Growth Incentive- Requesting Postage Credit on a Permit
Announcements
01/22/2025
INFORMATIONAL: The Postal Service: We Have the Capacity to Deliver
Announcements
01/22/2025
INFORMATIONAL: Postal Service to Sell Newly Redesigned Money Orders
Announcements
01/22/2025
DELIVERY: WestPac Area - CA-5 District - Topanga Post Office (90290) - Resume Operations
User Guides
01/22/2025
Domestic Merchant Returns API: User Guide

This user guide provides examples of XML transactions to the USPS Merchant Returns web service and guidance for installation.

Fact Sheets
01/22/2025
Licensing Fees

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

Fact Sheets
01/22/2025
Address Matching System API (AMS API) Licensing Fees

This document outlines the AMS API prorated fee structure. License fees are prorated for the initial license year with a license year beginning October 1 and ending September 30.

Applications/ Forms
01/22/2025
Address Matching System API (AMS API) Order Form

Order form for the AMS API product.

Applications/ Forms
01/22/2025
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.

Announcements
01/21/2025
DELIVERY: WestPac Area: CA-1 District - Moss Landing Post Office (95039) - Resumed Operations