Beyond Requests: Supercharging API Monitoring with Guzzle Middleware - Liam Hammett

This talk explores efficient techniques for managing millions of API calls in production, focusing on the underutilized middleware features of Guzzle. The speaker discusses key strategies for API monitoring, including logging with Kibana, error handling with Sentry, and tracing using OpenZipkin and Jaeger. Additionally, the session covers the integration of Prometheus metrics with Grafana, Alertmanager, and KEDA. Drawing from real-world experience building an application that handles millions of API calls weekly, the talk provides actionable insights to maintain the stability of microservices and third-party APIs under high demand.