python-builtwith is a Python client library for the BuiltWith API service. The tool provides programmatic access to BuiltWith's technology profiling database, which identifies the web technologies, frameworks, and services used by websites. Through this API client, users can query information about website technology stacks including content management systems, analytics tools, advertising networks, hosting providers, and other web technologies. The library enables automated reconnaissance and intelligence gathering by allowing security professionals to programmatically analyze target websites' technology implementations. This information can be valuable for understanding potential attack surfaces, identifying outdated or vulnerable technologies, and conducting comprehensive security assessments of web applications.