What is the primary use of the HTTP Listener in Mule applications?

The primary use of the HTTP Listener in Mule applications is to receive incoming HTTP requests. This component acts as a vital entry point for external clients or systems that send requests to your application over HTTP. When the HTTP Listener is configured in a flow, it listens for incoming requests on a specified endpoint and triggers the flow to process these requests. This capability allows Mule applications to interact seamlessly with web clients, invoking business logic, integrating with various services, or returning responses based on the requests received.

In contrast, executing SQL queries pertains to database interactions, sending requests to web services involves outbound communication rather than listening, and logging application errors deals with error management rather than incoming request handling. The distinct role of the HTTP Listener in receiving requests is what makes it central to building APIs and services in the MuleSoft ecosystem.