MPE Developer License

This agreement licenses the development of software interfaces for the NCOA^Link® Mail Processing Equipment. 

DPV® License Agreement

This document contains the License Agreement for DPV^®.

MPE Interface Distribution License Agreement

This agreement governs the distribution of licensee's certified NCOA^Link® mail processing equipment software interface.

Modifications to LACSLink® Licenses and Supporting Documents

This document lists modifications to LACS^Link® licenses and supporting documents.

LACSLink® Software Distribution License Agreement

This document contains the licensee agreement for LACS^Link® software distribution.

LACSLink® Developer License Agreement

This document contains the developer license agreement for LACS^Link®.

Modifications to DSF2® License and Supporting Documents

This document lists modifications to the DSF^2® license agreement and supporting documents.

DSF2® License Agreement

This document provides a license agreement for DSF^2®.

Modifications to DPV® License and Supporting Documents

This document lists modifications to the DPV^® license agreement and supporting documents.

DELIVERY: WestPac Area: CO-WY District - Beulah Post Office (81023) - Resume Operations

INFORMATIONAL: WestPac Area AIM Meeting - August 6, 2026

DELIVERY - INTERNATIONAL SERVICE SUSPENSION NOTICE – effective July 17, 2026

INFORMATIONAL - Security Enhancements to USPS.com July 30, 2026

INFORMATIONAL - UPDATE - PostalOne! System (PO!) – Delivery Sort Container Discount Not Applied

Business Acceptance Solutions & Major Mailer Support Directory

This document provides a contact list for Business Acceptance Solutions (formerly Business Mailer Support) & Major Mailer Support

MPE (Mail Processing Equipment) Service Provider Licensees

Marketing contact information for certified Mail Processing Equipment (MPE) licensees 

PCC Voice Challenge #BestMailbox Contest!

INFORMATIONAL - FAST Appointments Pilot for Packages Entered or Accepted at S&DCs

INFORMATIONAL - REMINDER - POSTPONED – Addresses API 3.2.3 Access Postponed Until August 1, 2026

Catalog Incentive Fact Sheet

Catalogs offer a unique marketing perspective to products and services and provide important value to the mailbox. As part of the July 14, 2024 price change, USPS published a new Catalog definition in the Domestic Mail Manual. Simultaneously, the Postal Service is offering a Catalog Incentive price discount of $0.001 per mailpiece to Catalog mailers who comply with the new Catalog definition and meet all other eligibility requirements for the Catalog Incentive.

Catalog Incentive FAQ's

Marriage Mail Incentive FAQs

Marriage Mail is a form of direct mail in which marketing service companies combine or “marry” advertisements (e.g., coupons or sales notices) from multiple companies into one mail piece to reduce the cost of the mailing for individual advertisers. This type of direct mailing product allows businesses to reach targeted customer segments.

INFORMATIONAL - Updated PostalOne! System (PO!) – Delivery Sort Container Discount not applied

USPS APIs Access Control Data Dictionary

Detailed information on the USPS APIs data elements available through the Informed Visibility Mail Tracking & Reporting (IV-MTR) application for API Access Control.

INFORMATIONAL - PostalOne! System (PO!) – Delivery Sort Container Discount not applied