Tech Guides
07/15/2021
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

Tech Guides
07/15/2021
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

Tech Guides
07/15/2021
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

Technical Specifications
07/13/2021
Mail.XML Technical Specifications R53.0.0.0 (Version 2)

This document contains information pertaining to Mail.XML and the USPS PostalOne! Release 53.0.0.0 taking place in August 2021.

Technical Specifications
07/13/2021
Mail.dat Technical Specifications R53.0.0.0 (Version 3)

This document contains information pertaining to Mail.DAT and the USPS PostalOne! Release 53.0.0.0 taking place in August 2021.