Production vs Sandbox Reality Gap: Building Carrier API Monitoring That Catches OAuth Failures and Rate Limit Violations Before They Break Shipments
Between Q1 2024 and Q1 2025, average API uptime fell from 99.66% to 99.46%, resulting in 60% more downtime year-over-year. In Q1 2024, APIs saw around 34 minutes of weekly downtime. In Q1 2025, that rose to 55 minutes. For teams managing carrier integrations in 2026, this isn&