Tech Guides
02/21/2025
ACS™ Electronic Product Fulfillment (EPF) Fulfillment File Access

Learn the different methods of accessing your ACS™ files from EPF.

Tech Guides
12/12/2024
PostalOne! Release 61.0.0.0 Mail.XML PROD WSDLs

This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 61.0.0.0

Tech Guides
12/12/2024
PostalOne! Release 61.0.0.0 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 61.0.0.0

Tech Guides
12/12/2024
PostalOne! Release 61.0.0.0 Mail.XML PrePROD WSDLs
Tech Guides
12/12/2024
PostalOne! Release 61.0.0.0 Mail.XML CAT WSDLs
Tech Guides
12/03/2024
Mail.dat Technical Specifications R61.0.0.0 V2
Tech Guides
11/15/2024
Mail.XML Technical Specifications R61.0.0.0 V1
Tech Guides
10/16/2024
MASS™ Technical Guide for Cycle O

This document provides a technical guide for MASS™ Cycle O. MASS™ is an extension of the CASS™ system.

Tech Guides
07/18/2024
Business Customer Gateway: Overview and Tour

This presentation provides an overview of the Business Customer Gateway and a tour for new users. 

Tech Guides
07/17/2024
Publication 205 Electronic Verification System (eVS®) Business and Technical Guide