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John Xavierleft a comment
Hey Product Hunt — I’m John, building Caplyr. (Cap Layer) I ran into the same issue over and over while shipping AI agents for my toolkit. I’d push something live, forget to cap usage properly, and then spend the next day worrying if a prompt loop was quietly burning money in the background. One test run actually did — not catastrophic, but enough to make it a real problem. I went looking for...
CaplyrStop runaway AI API bills with 2 lines of code
Stop runaway AI API bills automatically. Wrap your OpenAI, Anthropic, Groq, or Together AI client with protect() — two lines of code, zero config. Caplyr enforces budget limits, auto-downgrades to cheaper models when costs spike, and lets you halt all API calls instantly with a kill switch. No proxy. No infra changes. Your calls go directly to the provider. Free tier available — first 5 users get Growth ($99/mo) free for life.
CaplyrStop runaway AI API bills with 2 lines of code