LLM App Analytics and Usage Metering is a product built on the Propel Data App API platform, adding usage metering capabilities to your ChatGPT-based generative AI applications. With just 5 lines of code, you can track app usage, set usage limits, and visualize analytics. The product tracks key metrics such as ChatGPT API usage, latency, and user feedback. You can query these metrics via API to implement usage restrictions, billing, and optimize the user experience.