Featured Updates

Release Notes
05/17/2024
User Guides
05/10/2024
Certified Mail®

Certified Mail is an extra service that provides the sender with a mailing receipt, tracking history, and, upon request, electronic verification that a mail piece was delivered or that a delivery attempt was made.

Release Notes
05/31/2024
Tools
02/27/2024
Election Mail and Ballot Mail STID Finder

The Election Mail and Ballot Mail Service Type IDentifier (STID) Finder is a tool designed to assist election officials and their mail service providers in selecting an appropriate Election Mail and Ballot Mail STID for their outbound mailings.*

Updates
FAQs
02/14/2024
First-Class Mail and Marketing Mail Growth Incentives FAQs

On September 27, 2023, the Postal Regulatory Commission (PRC) approved the Postal Service request to make Mail Classification Schedule (MCS) changes to establish two distinct Mail growth incentives — a First Class Mail Growth Incentive and a Marketing Mail Growth Incentive.

Fact Sheets
08/18/2022
Seamless Acceptance Undocumented Mail Fact Sheet

Provides insight into the source of undocumented error reporting, common causes, and best practices.

Publications
Publication for Streamlined Mail Acceptance for Letters and Flats (Pub 685)

Streamlined Mail Acceptance for Letters and Flats (Pub 685) contains the policies and processes for the verification of eligible business mailings using tools provided by Intelligent Mail® Full-Service, eInduction, and Seamless Acceptance.

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Latest Updates

Technical Specifications
06/14/2024
Data Files
06/14/2024
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Operation Codes List

This spreadsheet provides a list of operation codes (opcodes), also known as Scan Event Codes, for the IV-MTR application.

Technical Specifications
06/14/2024
Presentations
06/14/2024
Package Documentation Webhook Information

The Package Documentation Webhook will provide real-time information regarding the first USPS scan on a package, and whether the package was blacklisted, whitelisted, or had payment documentation (via a Shipping Services File, Shipping Partner Event File, or ICR File) at the time of the scan.

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PostalOne! Contingency Plan

Learn what to do in the event a system outage prevents you from submitting your mailing information electronically.

USPS Service Alerts

Receive near real-time notifications about postal facility service disruptions due to weather-related outages and other natural disasters or events.

Stay Informed About Postal Policy

Updated daily, the Federal Register Notices offer detailed information regarding official USPS policy and regulatory changes.

Intelligent Mail: Featured Resources

Card image cap
Publication for Streamlined Mail Acceptance for Letters and Flats (Pub 685)

Streamlined Mail Acceptance for Letters and Flats (Pub 685) contains the policies and processes for the verification of eligible business mailings using tools provided by Intelligent Mail® Full-Service, eInduction, and Seamless Acceptance.

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