Steel is an open-source headless browser API that allows users to control a fleet of browsers in the cloud. It enables developers to create instant browser sessions using simple API calls, equipped with functionalities to automatically solve CAPTCHAs, manage proxies, and perform browser fingerprinting to avoid being flagged as bots. Steel is well-suited for large-scale web scraping tasks and fully automated web proxy management, simplifying the process of running browser automation tasks in the cloud. Background information reveals Steel has processed over 8 billion tokens and provided more than 200,000 hours of browser services, with an average session start time of less than one second. In terms of pricing, Steel offers a free plan as well as various paid plans to cater to users of different scales.