Bulletproofing AI Agents: How to Prevent $2,000 Infinite API Loops

Implement multi-layer circuit breakers, payload hashing, and financial cutoffs before an autonomous agent drains your backend. The Bottleneck in Production Autonomous AI agents running in tool-use loops fail unpredictably. When an LLM encounters an unexpected schema, a transient network error, or an ambiguous prompt, it often enters a hallucinated retry storm. In standard web apps, a runaway loop hits a rate limit or returns a 500 Internal Server Error. In agentic architectures, an