Address Information System (AIS) Products Technical Guide

The Address Information System (AIS) Products Technical Guide contains documentation on all AIS products, including RDI™, Z4Change, ZIPMove, ZIP + 4^®, Five-Digit ZIP^®, eLOT^®, Carrier Route, City State, and Delivery Statistics.

How to Access the SPM Exclusions by CRID Application

Step-by-step instructions on how access the SPM Exclusions by CRID application through the Business Customer Gateway.

2022 Informed Delivery Promotion Technical Implementation Guide for Mailers

PostalOne! Release 53.0.0.0 Mail.XML PROD WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 53.0.0.0

PostalOne! Release 53.0.0.0 Mail.XML PrePROD WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PrePROD Release 53.0.0.0

PostalOne! Release 53.0.0.0 Mail.XML TEM WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ TEM Release 53.0.0.0

PostalOne! Release 53.0.0.0 Mail.XML CAT WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ CAT Release 53.0.0.0

PostalOne! Release 55.0.0.0 Mail.XML CAT WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ CAT Release 55.0.0.0

FAST Mail.XML 16.0 Technical Specification

Postal Service Technical Specifications for FAST.

Intelligent Mail Tray Label Technical Fact Sheet

This document provides fact sheet providing technical specifications on the acquisition, implementation, and benefits of the Intelligent Mail Tray Label.