Azure Function App Use Cases: How to Leverage Serverless Computing Azure Function App is a powerful serverless computing service offered by Microsoft Azure. It enables developers to build and run event-driven applications without worrying about the underlying infrastructure. In this blog, we will explore some of the use cases for Azure Function App and how it can benefit your business. 1. Webhook Processing Webhooks are a way for third-party services to notify your application of events, such as a new user signup or a completed payment.