
Description: API Tester is a software tool used by developers to test and debug APIs. It allows sending requests to API endpoints and inspecting the responses to validate functionality, performance, and integration.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Stoplight is an API design and documentation platform that enables teams to design, mock, document, test and publish APIs. It provides collaborative tools to streamline the API lifecycle.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API