API Testing for Beginners: Concepts, Tools | Trendnologies
When you use a shopping app, book a ticket online or sign in to a website, several systems work together behind the scenes. These systems exchange information through APIs, or Application Programming Interfaces. But what happens if an API returns incorrect information, responds too slowly or fails to authenticate a user? This is where API testing becomes important. If you are starting a career in software testing, learning API testing can help you understand how applications communicate and how testers identify problems beyond the user interface. For a more detailed introduction, read the API Testing for Beginners guide on Trendnologies . What Is API Testing? API testing is a software testing technique used to verify whether an application's Application Programming Interfaces work as expected. Testers send requests to an API and examine its responses, status codes, data, performance and error handling. Unlike UI testing, API testing does not always require opening a website or cli...