Postman is designed to check requests from the client to the server and receive a response from the back-end with a great user interface. The developers of this tool say that Postman has become a powerful set of API testing tools that have become a must for many developers and testers. This product helps you create stunning APIs and improve development productivity. Postman is used by more than a million developers around the world, and this number is constantly growing. Postman provides a graphical user interface for generating and validating requests. With the help of the well-designed user interface even a non-technical person can easily understand how to use this tool. In the modern world of testing, engineers do not want to dive deep in technologies and programming and Postman is a tool that allows such non-technical people to test the API manually fast. You do not need to have some specific technical background to understand how the Postman works from inside. You should just understand what API call you should make, what is expected response, and how to compare the expected response with the actual one. All of the listed above can be easily done with the help of this powerful testing tool without deep dive in technical details.