Presentations
09/30/2026
PS Form 1500 Application for Listing and/or Prohibitory Order

Pricing and Classification Service Center’s presentation on PS Form 1500,  Application for Listing and/or Prohibitory Order with voiceover. 9/30/2026

Presentations
09/30/2026
PS Form 3510 Application for Reentry or Special Price Request

PS Form 3510 Reentry presentation with voiceover_9.30.26

User Guides
09/30/2026
Provisioning EMAS API Invoices Data in Informed Visibility® Mail Tracking & Reporting (IV®-MTR)

This guide provides instructions for receiving EMAS API Invoices data through the IV Mail Tracking & Reporting application.

Release Notes
09/30/2026
USPS APIs Release Notes

For the latest updates, please review the USPS APIs Release Notes.