Ever wondered how to build API endpoints that handle millions of requests while maintaining ultra-low latency? In this talk, Manish shares real-world insights from his experience optimizing APIs at Adyen, a leading payments platform. Key Takeways: ✅ Why speed matters in payments ✅ Common API bottlenecks and how to fix them ✅ Simple database and app-level optimizations ✅ The role of system architecture in reducing latency ✅ Performance results from 72M real-world payment requests This video was recorded on the Push to Main Baby! Meetup in Amsterdam.