Learn the fundamentals of effective API design from Parse CTO Kevin Lacker in this insightful 33-minute conference talk from Parse Developer Day 2013. Discover what constitutes a great API, explore the emotional impact of well-designed interfaces, and understand how APIs can simplify development processes. Delve into practical examples, including string manipulation, and gain valuable insights on API documentation, quick start guides, and overarching API philosophy. Master the art of creating user-friendly, powerful, and efficient APIs that developers will love to use.