Automated HS Code API Integration: The Complete Implementation Guide for European Shippers After USPS September 2025 Mandate
Beginning September 1, 2025, the U.S. Postal Service will require all international commercial shipments to include a six-digit Harmonized System (HS) code on customs declarations. For European manufacturers and retailers shipping to the US, this means your existing TMS workflows need immediate updates. The clock is ticking, but you