Fact Sheets
08/26/2025
Quick Service Guides
04/23/2025
Quick Start Guide for Informed Visibility® - Mail Tracking & Reporting (IV®-MTR)

This document provides high-level instructions for completing One-Time Queries and Data Feeds in the IV-MTR application.

Quick Service Guides
08/06/2024
Enterprise Payment System (EPS) Deposit Instructions

These instructions include general technical information and instructions for sending electronic funds into your EPS account. The information here is designed for trust customers (and debit customers who need to initiate a fund transfer to cover a debit return problem).

Quick Service Guides
08/02/2024
MTEOR Registration Overview

New Mailers can register online for MTEOR through the Business Customer Gateway. This document outlines how to register for MTEOR.

Quick Service Guides
09/14/2023
Parcel Data Exchange (PDX) API Customer Guide

This document provides a customer reference guide for Parcel Data Exchange (PDX) Web Application API.

Quick Service Guides
08/28/2023
Parcel Data Exchange (PDX) Mailbox User Guide

This document provides a customer reference guide for the Parcel Data Exchange (PDX) Mailbox Feature.

Quick Service Guides
08/28/2023
Parcel Data Exchange (PDX) Web Application User Guide

The Parcel Data Exchange (PDX) is accessed via the web and Application Programming Interface (API) to allow customers to send manifest files and receive outbound files from the United States Postal Service® (USPS®). This document provides the information necessary to begin using the web-based portion of the PDX application using a web browser.

Quick Service Guides
12/06/2022
LACSLink® Developer Certification Procedures

This document contains developer procedures for LACSLink®.

Quick Service Guides
12/02/2021
Automated Business Reply Mail® (ABRM) Brochure

This brochure provides an overview of the ABRM tool, its benefits, and a quick guide for getting started.

Quick Service Guides
05/11/2021
Service Type Identifier (STID) Quick Service Guide

This document provides quick information about the STID (Service Type Identifier) - a three-digit numeric code used within the Intelligent Mail® barcode (IMb™).

Quick Service Guides
11/25/2020
Quick Service Guides
11/25/2020
Quick Service Guides
09/23/2020
Service Performance Measurement Fact Sheet

This document provides information for Service Performance Measurement.

Quick Service Guides
08/22/2018
Mailers' Technical Advisory Committee (MTAC) Work Group Guidelines

This document provides guidelines for MTAC Work Group formation and operation.

Quick Service Guides
02/28/2018
SuiteLink® Interface and Data Distributor Performance Requirements

This document outlines performance requirements for SuiteLink® Software Interface Distributors.

Quick Service Guides
02/28/2018
SuiteLink® Software Interface and Data Distributor Certification Procedures

This document outlines certification procedures for SuiteLink® Software Interface Distributors.

Quick Service Guides
02/28/2018
SuiteLink® Developer Licensee Performance Requirements

This document outlines performance requirements for SuiteLink® Developer Licensees.

Quick Service Guides
02/28/2018
SuiteLink® Software Interface Developer Certification Procedures

This document outlines certification procedures for SuiteLink® Developers.

Quick Service Guides
02/27/2018
LACSLink® End User Licensee Performance Requirements

This document provides facts and information on End User Licensee Performance for LACSLink®.

Quick Service Guides
02/27/2018
LACSLink® Developer Licensee Performance Requirements

This document contains a quick service guide to find for LACSLink® Developer Licensee Performance Requirements.

Quick Service Guides
02/27/2018
DSF2® Certification Package

The following material describes the necessary steps of the certification process to qualify for a license to the DSF2 Licensed Service. All of the necessary information and documents to complete all steps of the certification process are included.

Quick Service Guides
02/22/2018
LACSLink® End User Certification Procedures

This document contains the quick service guide for LACSLink® End User Certification Procedures.

Quick Service Guides
02/22/2018
LACSLink® Software Interface Distributor Certification Procedures

This document provides additional information for Software Interface Distributor Certification Procedures LACSLink®.

Fact Sheets
11/13/2017
Mailers' Technical Advisory Committee (MTAC) User Group Guidelines

This document provides guidelines for MTAC user groups. The purpose of a User Group is to serve as an ongoing forum for the Postal Service and users of a particular postal product or process.