The Silent API Killer: How Caching Broke My...

I recently spent two days chasing a ghost in a machine-to-machine API integration. The integration worked flawlessly in staging but in production, our webhook endpoint sporadically failed to acknowledge receipts from a critical third-party service, causing duplicate processing and missed events. The logs from their service showed a 200 OK response from our endpoint, but our logs showed the corresponding background job never ran. The issue was intermittent and impossible to reproduce locally—a cl