Developer relations, or DevRel, is a crucial function for Web3 startups, focusing on fostering third-party developer engagement within a technical ecosystem. Originating from the open-source movement and formalized by companies like Apple as "software evangelism," DevRel has become vital for startups, particularly those using a product-led growth model. It supports growth by improving developer experiences and aiding user activation, which is essential for startups moving through funding stages. DevRel roles can vary from marketing to community management, often handled by a single person in smaller startups. In Web3, DevRel faces challenges such as immature tooling and a need for more established best practices, yet it remains essential for building developer communities and ensuring project success. Empathy and the ability to communicate technical concepts are key skills for DevRel professionals, who must balance loyalty to their company with broader community support. As the Web3 space grows, the demand for effective DevRel will increase, making it a critical component for startups aiming to distinguish themselves and capture market share.