Announcements
      
10/24/2025
  10/24/2025
      Announcements
      
10/23/2025
  10/23/2025
      Announcements
      
10/23/2025
  10/23/2025
      Announcements
      
10/23/2025
  10/23/2025
      FAQs
      
10/23/2025
  10/23/2025
First-Class Mail and Marketing Mail Growth Incentives FAQs
On September 27, 2023, the Postal Regulatory Commission (PRC) approved the Postal Service request to make Mail Classification Schedule (MCS) changes to establish two distinct Mail growth incentives — a First Class Mail Growth Incentive and a Marketing Mail Growth Incentive. The incentives will run concurrently from Jan. 1, 2025 through Dec. 31, 2025. The following are some frequently asked questions and answers on these incentives.
      Presentations
      
10/22/2025
  10/22/2025
      Announcements
      
10/22/2025
  10/22/2025
      Announcements
      
10/22/2025
  10/22/2025
      Release Notes
      
10/22/2025
  10/22/2025
USPS APIs Release Notes
For the latest updates, please review the USPS APIs Release Notes.
      Announcements
      
10/20/2025
  10/20/2025