Explore the critical aspects of API security in this 47-minute conference talk. Delve into the challenges faced by developers as they increasingly build and expose APIs for various purposes, including client-side applications and customer-facing endpoints. Examine the shift from monolithic architectures to more distributed systems and the resulting security implications. Learn about potential risks such as cross-site scripting and brute force attacks. Discover a range of security measures to protect API endpoints, including OAuth, access tokens, JSON web tokens, IP whitelisting, and rate limiting. Gain valuable insights into best practices for securing modern API architectures and ensuring robust protection for your exposed services.