Postman is a powerful HTTP client to test REST API
Postman is a really useful tool if you building and testing APIs. More than 3 000 developers love that platform because it makes work so much easier, complete and accurate. It has a Postman free app for Mac, Windows and Linux, and a paid version for enterprises that can be used for monitoring, API testing and documentation.
GetWorks is a desktop-class HTTP client for iOS. Monitor, test, and manage APIs from anywhere with a GUI optimized for both iPad and iPhone. Postman API integration allows users to automatically download Postman collections to their devices.