How 50ms API Response Time Optimization Saved SaaS Companies $4.2M in Infrastructure Costs
Jake Morrison, VP of Engineering at a fast-growing fintech startup, stared at his AWS bill. It had jumped from $89,000 to $143,000 in just three months. The culprit wasn't more features or users—it was API latency. Every 100ms of added latency was forcing his auto-scaling infrastructure to spin up additional instances.