Intuit, a leading provider of accounting software, migrated to a single supergraph powered by Apollo GraphOS to improve performance under high traffic and ensure compliance with industry standards. The company's API platform team chose Apollo Router as the GraphQL orchestrator due to its excellent scalability results from benchmarking. This transition has empowered self-service, streamlined supergraph management, and optimized performance during critical periods, such as tax season. By adopting a unified gateway and leveraging Apollo GraphOS contracts, Intuit was able to deliver different subsets of their supergraph to different consumers, fostering versatility and adaptability within the system. The company's experience highlights the importance of selecting the right tools, adapting to evolving needs, and prioritizing observability for early detection and recovery from issues.