Meticulate, a YC-backed AI startup, utilizes PromptLayer to enhance its large language model (LLM) pipelines, enabling finance professionals to access comprehensive business research efficiently. The startup faced the challenge of managing a complex pipeline that required over 1,000 LLM calls through multiple stages to generate competitive landscapes. By employing PromptLayer, Meticulate gained agent observability, allowing the team to log and filter LLM requests effectively, rapidly debug, and iterate their MVP for YC Demo Day. When their product went viral on Hacker News, PromptLayer facilitated seamless scaling from a few thousand to 1.5 million requests within 24 hours, saving significant engineering hours and providing critical insights into traffic spikes. This platform has been instrumental in Meticulate's growth and remains integral as they continue to develop their product.