CASS™ Stage 1 file DPV header record

Customs Declaration for PS-3700 InternationalStatements

Mail Quality Data through IV®-MTR FAQs

Mail Quality Data (MQD-IV) leverages the Informed Visibility® Mail Tracking & Reporting (IV-MTR) application to enable mailers to receive uncapped Mail Quality Data. Detailed error data from the Mailer Scorecard is available for Full Service, Move Update, eInduction, and Seamless Acceptance.

Mail Quality Data through IV®-MTR Data Dictionary

Mail.XML Technical Specifications R48 (Version 3)

Version 3 of the comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! System.

Mail.dat Technical Specifications R48 (Version 3)

Version 3 of the comprehensive technical guide that outlines steps for exchanging electronic data with the PostalOne! System.

2.4 Production R48.0.0.0

This describes the Mail.XML WSDLs that are supported in the Production Environment.

2.3 Pre-Production R48.0.0.0

This section describes the Mail.XML WSDLs that are supported in the Pre-Production Environment.

2.2 TEM R48.0.0.0

The USPS Test Environment for Mailers (TEM) is the dedicated Mail.XML test environment that is required for all new customers, as well as users migrating to a different electronic documentation (eDoc), to test their desired Mail.XML version in. TEM simulates the Production environment, and completion of TEM testing is required for access to the Production environment. 

2.1 CAT R48.0.0.0

This section describes the Mail.XML WSDLs that are supported in the CAT Environment. These WSDLs are for the upcoming release and are accessible and available only for the selected mailers who participate in USPS CAT certification phase. These WSDLs are subject to be revised at any time without notice. It is recommended for the mailers not to use these WSDLs unless participating in the CAT phase.