Tyler Flint, CEO of qpoint.io and an expert in managing vendor dependencies, shares valuable insights on handling external APIs. He discusses the differences between internal and external services, the challenges of tracking usage, and security concerns like authentication. Metrics for monitoring, acceptable error rates, and tips for managing outages are covered, along with the transition of qPoint from a proxy-based solution to eBPF. Tyler emphasizes the importance of understanding hidden dependencies and maintaining robust API relationships for operational resilience.