Skip to main content
devportal logo

Main navigation

  • Home
  • Getting Started
  • API Catalog
  • Help
  • FAQs
  1. Home
  2. OAuth 2.0

The United States Postal Service (USPS) is excited to announce the upcoming release of our API Access Control initiative, set to launch in April 2026. This initiative is part of our ongoing commitment to enhance security, protect your shipments, and deliver a modern and reliable experience. For additional information on Access Control please see the Industry Alert.

Footer menu

  • Contact USPS API Support
  • Terms and Conditions
  • Facebook Logo
  • Instagram Logo
  • Pinterest Logo
  • Threads Logo
  • X Logo
  • YouTube Logo
  • GitHub Logo