Learn to avoid the most common REST API design mistakes through an entertaining conference talk that examines pitfalls collected from over 150 companies. Discover critical issues including breaking changes, domain model leakage, sensitive data exposure, performance problems, endpoint coupling, CRUD versus CQRS considerations, PUT method overloading, religious REST adherence fallacies, and improper error handling practices. Gain practical insights from real-world examples that demonstrate both outrageous design errors and seemingly innocent shortcuts that can lead to dangerous consequences in API development.