Postman is a free HTTP client-based software application and a collaboration platform for API development. It is mainly used to perform API testing. It is a very popular API client which facilitates developers and providing a platform to design, develop, build, share, text, and document APIs.
Postman supports testing of HTTP requests by utilizing GUI (Graphical User Interface), which later we can execute and validate the responses.
The Postman tool also facilitates us to send HTTP/s requests to a service and get their responses. We can ensure that the service is up and running by using this.
