An agent called my payment API 50,000 times in 90 seconds. Here's what broke.

An AI-powered multi-agent payment system suffered a critical internal bug, causing one agent to enter an error loop and call a payment API over 50,000 times in 90 seconds, moving money with each transaction. This incident, not an external hack but a system design flaw, exposed vulnerabilities in the security and resilience of AI-driven financial operations.