Leen is a developer tools company focused on the cybersecurity space, offering a unified data API designed for security engineering teams. The company's core product is a unified API platform that aggregates and normalizes security data from multiple sources, enabling security teams to build and scale integrations more efficiently. The platform is specifically designed to address the challenges faced by security engineering teams — particularly smaller or resource-constrained teams — that need to integrate data from various security tools and platforms without building and maintaining individual integrations for each. Leen's V2 API for Vulnerability Data is a notable product offering, providing a unified model for vulnerability findings that enriches context and standardizes data across different security tools. Leen's target market is security engineering teams and developers building security products or workflows that require data from multiple security platforms. The company positions its tooling as a way to reduce integration complexity, lower costs, and improve operational efficiency for teams working with enterprise-grade security data. The company was founded by Kabir Mathur (CEO) and Neel Arora (CTO), and has received pre-seed funding from investors including 112 Capital, Inner Loop Capital, and Preface Ventures. Leen operates as an early-stage startup with a small founding team.