Why AI Agencies are flying blind (and how to fix your LLM margins)

If you're running an AI agency, you're probably building some variation of RAG or agentic workflows for your clients. You deliver the project, it works great, and then the first OpenAI bill hits. Most agencies I talk to are still in the "winging it" phase when it comes to API costs. They use one master key for dev, one for prod, and maybe—if they're feeling fancy—one key per client. But fwiw, per-client keys are a maintenance nightmare. And if you're using a single master key for multiple client