Data Files
05/01/2023
April 2023 Nixie Volume

This spreadsheet contains the UAA statistics for April 2023.

Announcements
05/01/2023
USPS Scheduled Commercial Systems Maintenance Event - April 30, 2023
Fact Sheets
05/01/2023
Informed Delivery Mail.XML Fact Sheet

This is a fact sheet for how to submit campaign data using Mail.XML eDoc via PostalOne!  

For more detailed information, please see the Informed Delivery Mail.XML Mailer Guide. 

Fact Sheets
05/01/2023
Informed Delivery Mail.dat Fact Sheet

This is a fact sheet for how to submit campaign data using Mail.dat eDoc via PostalOne!  

For more detailed information, please see the Informed Delivery Mail.dat Mailer Guide. 

FAQs
05/01/2023
FAQs for the IV-MTR API

This document provides answers to FAQs for the IV-MTR API.