Is it possible to expose a REST API in OutSystems?

Exposing a REST API in OutSystems is indeed possible, and that is why the correct answer is affirmative. OutSystems provides robust support for creating and consuming REST APIs, allowing developers to integrate with external services and expose their application functions to other systems over HTTP. This capability is essential for modern web applications that often require interaction with third-party services or need to provide their functionality to other applications.

In OutSystems, developers can define REST APIs directly in the Service Studio by specifying endpoints, configuring the HTTP methods (GET, POST, PUT, DELETE), and managing request and response formats. This flexibility makes it straightforward to set up RESTful services that follow standard web protocols and can communicate efficiently with a variety of clients.

The incorrect options suggest limitations that do not accurately reflect the capabilities of the OutSystems platform. For example, implying REST APIs can only be created for internal apps or that OutSystems supports only SOAP APIs fails to recognize the comprehensive API management features available in the platform. Therefore, confirming the ability to expose a REST API reflects the real potential of OutSystems to create versatile and interconnected applications.