The API Refactoring Playbook: Modernizing Legacy Interfaces Without Breaking Everything

Many enterprises have legacy APIs that cannot be rewritten but desperately need to evolve. This talk delivers a practical, battle‑tested playbook for safely and incrementally modernizing APIs. We’ll outline strangler patterns, compatibility testing, contract‑driven refactoring, effective deprecation strategies, and the safe introduction of new capabilities. This session is for teams seeking a balanced approach between full rewrites and inaction.