Description: An app ID is a unique identifier for an application that uses APIs, including but not limited to GraphQL. This identifier is crucial for managing and accessing resources within an application ecosystem, as it allows developers and systems to efficiently distinguish between different applications. In the context of APIs, the app ID facilitates interaction with various services, enabling requests to be executed accurately and without ambiguity. This identifier can be used to authenticate requests, manage permissions, and track user interactions with the application. Additionally, using a unique ID helps prevent conflicts and errors that may arise when handling multiple applications or versions of the same application. In summary, the app ID is an essential component in the architecture of modern applications, as it provides a solid foundation for identifying and managing resources.