Postman
Most used REST client around the world. Designed from the ground up to support the API developer. Intuitive user interface for queries, saving responses, adding tests, and creating workflows.
Courses in Postman

Webservices API Testing with Rest Assured API & POSTMAN 2020
Webservices API Automation Testing using Rest Assured API and POSTMAN - Biggest course to cover all levels of API Testing using both Manual and Automation appro37 hours 51 minutes 9 seconds
REST API Testing, Automation using POSTMAN
POSTMAN is a very popular tool used by software development teams in many companies. It is a very handy tool used by Developers when building RESTful web servic7 hours 49 minutes 25 seconds
APIs with Postman for Absolute Beginners
To work with APIs we will use the Postman app! Postman allows you to quickly create a request with the required HTTP method and parameters, set the body, header3 hours 32 minutes 25 seconds