Replit provides a platform for building applications and leveraging third-party services through their APIs, allowing users to unlock various capabilities such as speech-to-text and video livestreaming. To protect API keys from being misused, Replit offers a feature called Secrets, which keeps the key secret and hidden from others who view the code. The company has also partnered with OpenAI since 2021 to combat AI-related security issues, including the theft of OpenAI API keys. When an exposed API key is discovered, Replit automatically scans for it, revokes the key, and notifies the user, providing guidance on how to issue a new API key and secure their code.