Carrier API Gateway Crisis 2026: How European Shippers Can Build Resilient Multi-Carrier Integration Architecture to Survive USPS Restrictions and Performance Bottlenecks
USPS announced enhanced security for tracking data starting April 2026, while conveyor-integrated shipping systems experience complete workflow failures when latency exceeds 750ms for more than 30 seconds. Add the fact that API downtime surged by 60% between Q1 2024 and Q1 2025, and European shippers face a perfect storm of