Open access is opening research up to the world. Academics, institutions, funders, and publishers are committed to ensuring that research is available and accessible to all. As research funders and institutions are expanding open access requirements, and business models become increasingly complex and diverse, how do stakeholders navigate the open access research and publishing maze? - How do publishers support a smooth and compliant author journey and report on open access publication output? - How do funders demonstrate the extent and impact of their research funding and deliver on their commitment to open access? - How do research institutions, and their libraries, connect with their research and simplify their workflows? The OA Switchboard is a mission-driven, community led initiative designed to simplify the sharing of information between stakeholders about open access publications throughout the whole publication journey. It provides a standardised messaging protocol and shared infrastructure that is designed to operate and integrate with all stakeholder systems, and can help with these challenges above. It is built by and for the people who use it, and is leveraged with existing PIDs.