API run-time governance: Shift left will not protect you

Shift-left practices — design-time linting, contract testing, and pre-deployment validation — are valuable. But they address the API as it was built, not as it behaves under real load, with real traffic, from real locations.

This video makes the case for runtime governance as a distinct and necessary layer: why production behaviour diverges from design intent, and what monitoring provides that shift-left practices simply cannot.