Every millisecond matters when you're in the critical path of API authentication. After two years of fighting serverless limitations, we rebuilt our entire API stack and slashed the end-to-end latency. When we launched our API on Cloudflare Workers, it seemed like the perfect choice for an API authentication service. Global edge deployment, automatic scaling, and pay-per-use pricing. What's not to love? Fast forward, and we've completely rebuilt it using stateful Go servers. The result is a 6x p...