Explore a comprehensive conference talk on optimizing API performance and security in Golang. Discover essential strategies for crafting robust APIs, including authentication and authorization techniques, input validation, audit trails, and secure password management. Learn about the importance of using config files, masking sensitive data, implementing rate limiting, and ensuring secure communication. Delve into performance optimization techniques such as optimized database queries, caching, pagination, and microservices architecture. Gain insights on building robust APIs through early failure detection, appropriate status code usage, graceful error handling, and context passing. Understand the significance of ACID compliance, structured logging, health checks, retry mechanisms, and metrics exposure. Conclude with valuable tips on versioning for maintainability and key takeaways for creating high-performance, secure, and resilient APIs in Golang.