PostalOne! Release 58.0.0.0 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 58.0.0.0

Central Area – Michigan 2 District – Farwell Post Office and Lake Post Office – Resumed Operations

Guide to USPS Ship for eVS Shippers

Guide to USPS Ship for New Shippers

Central Area – Detroit NDC – Resumed Normal Operations

WestPac Area – AZ-NM District –Phoenix PDC Scheduled Switchgear Power Outage – May 27 2023

Promotions Portal - Business Customer Gateway Sign-Up

Learn how to sign-up for a USPS Business Customer Gateway (BCG) account by viewing the video below. The BCG grants you access to a wide variety of Mailing and Shipping Services such as the 2022 Mailing Promotions to meet your needs as a USPS Customer.

Atlantic Area – MA-RI District Chepachet Post Office - Office Temporarily Closed

USPS Ship Tech Sheet

USPS Ship is our next generation package platform for postage payment and adjustments. Our new, improved platform simplifies your shipping process, so you can focus on your core business.

API Tech Sheet

The USPS API Platform provides a dynamic, one-stop-shop of shipping capabilities to expand business reach and increase efficiency. The USPS suite of APIs focuses on key business capabilities – standardize an address, price a package, create a label, find a USPS acceptance facility, schedule a carrier pick-up for Connect Local Packages, and track a package from entry to delivery. The USPS API platform offers webhooks* for near-real-time push notifications for tracking events. The platform has a publicly facing Developer Portal that provides streamlined user experience with simple integrations with USPS systems. The USPS Developer Portal provides documentation and coding examples to enable developers to integrate with USPS APIs quicklly.