
Description: RequestB.in is an open-source API testing tool that allows developers to easily test REST and GraphQL APIs. It provides an intuitive interface to create requests, assert responses, autogenerate code snippets, mock servers, and visualize API flows.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: webhook.site is a free tool for testing webhooks and HTTP requests. It provides a unique URL that captures requests and displays them in a web interface for inspection. Useful for development and debugging.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API