What is a key feature of Amazon API Gateway?

Amazon API Gateway is designed specifically to facilitate the creation, publishing, maintenance, monitoring, and securing of application programming interfaces (APIs) at any scale. This service provides developers with tools to create robust APIs that allow communication between various services, including AWS services and external web applications. Its capabilities include traffic management, authorization and access control, throttling, and API version management, making it an essential tool for backend developers who need to manage API operations effectively.

This functionality is crucial because APIs serve as the interface between applications, enabling them to interact with one another. By simplifying the API management process, Amazon API Gateway helps developers focus on building features rather than getting bogged down in the complexities of API infrastructure.

The other options highlight features that do not pertain to the primary role of Amazon API Gateway. For instance, data visualization is not a characteristic directly associated with API management. Additionally, the notion that API Gateway is only for Amazon EC2 applications is limiting; it can actually be used for a wide range of AWS services. Finally, focusing solely on data storage does not align with the purpose of API Gateway, which enhances API functionality rather than acting as a storage solution.