Tech Guides
12/06/2023
PostalOne! Release 59.0.0.0 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 59.0.0.0

Tech Guides
08/17/2023
Informed Delivery Saturation Campaign Mailer Guide

This guide outlines the requirements for participating in and submitting Saturation Campaigns via PostalOne! eDoc (Mail.dat) during the Informed Delivery Promotion. 

For more in-depth details on general promotion requirements, refer to the Promotions page. 

Tech Guides
06/27/2023
Trailing Edge Die-Cut (Ted-C) Letters Template

Template with instructions for Trailing Edge Die-Cut (Ted-C) Letters.
Template must be printed at "actual size".

Tech Guides
05/25/2023
PostalOne! Release 58.0.0.0 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 58.0.0.0

Tech Guides
05/25/2023
PostalOne! Release 58.0.0.0 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 58.0.0.0

Tech Guides
05/25/2023
PostalOne! Release 58.0.0.0 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 58.0.0.0

Tech Guides
05/25/2023
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

Tech Guides
05/21/2023
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.

Tech Guides
05/01/2023
IV-MTR API Developer Toolkit

The Developer Toolkit provides information about using the Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Application Programming Interface (API). The API enables the mailing industry to integrate mobile and web-based applications with near real-time IV-MTR data through a lightweight data exchange.