Rest-assured

Testing and validating REST services in Java is harder than in dynamic languages such as Ruby and Groovy. REST Assured brings the simplicity of using these languages into the Java domain.

Similar Tools

REST API client library for .NET
The Complete Continuous Testing Platform Any test. Any device. App quality without limits.
Selenium automates browsers. That's it! What you do with that power is entirely up to you.
Puppeteer is a Node.js library which provides a high-level API to control Chrome/Chromium over the DevTools Protocol.
Built for developers and testers alike, SoapUI is the only open source tool that covers the entire testing spectrum (functional, security, load, mocking).