Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

A payment application to demonstrate real-world usage of Cypress testing methods, patterns, and workflows.

Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.

Automated API Testing and Quality Assurance

🔥 GUI client for gRPC/gRPC-Web

Port OpenAPI Specs to Postman Collections, inject test suite and run via Newman 👨🏽‍🚀

A next generation, full-stack acceptance testing framework optimised for collaboration, speed and scale!

A text-based HTTP client in the browser. An interface-less Postman.

Visual Studio Code extension to create and test simple and complex HTTP/s requests

Apitest is declarative api testing tool with JSON-like DSL.

Mockbin by Zuplo. Mock, Test, and View HTTP Requests and Responses

This is a sample Automation project using Playwright and Typescript

VSCode Extension for Karate

UI for Keploy platform that does API testing by dependency mocking without writing any test cases.

Postmaiden is an application for testing and documenting HTTP APIs

Observable Integration Testing using OpenTelemetry on top of Jest/Playwright/Cypress.

A feathery cross platform API crafting tool

Yasumu is a customizable, offline-first, free and open-source application to test various types of APIs (Lightweight alternative to postman/insomnia/bruno).

This is a sample test automation framework developed using Playwright with Cucumber