Free & OpenSource REST API Testing Tool for all levels in a Test Pyramid

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.

Requestly is an open-source tool that simplifies API development, testing, mocking, and integration for developers and QAs.

API Testing Platform that automatically generates unit test cases with dependency mocks from API calls

Automate API workflows. Chain HTTP requests. Validate. Zero code.

Unifying API testing, API Performance testing, API Mocks and UI testing.