78 Open Source API Testing Software Projects

Cypress E2E runner can also test Rest and other APIs

Comparisons of powerful API testing tools

It is Data-Driven and Keyword-Driven framework to test REST/SOAP webservices automatically

test automation for everyone - test automation platform with support for web (selenium), desktop, database, api and much more. Coding not required ;-)

RESTest: Automated Black-Box Testing of RESTful Web APIs

:books: The starting point of your career as a Software Quality Assurance Engineer | Quality Automation Engineer :books:

HTTP parameter discovery suite.

The Open Source Test Automation Platform.

OAuth plugin for HTTPie

Document Driven API Test Framework

Solution for two Cypress testing use-cases I came across with: perform a direct http FORM request to the server containing a file and other parameters and upload a file into a form before submission

:boom: Test REST, GraphQL APIs

The Framework for automating isolated or complex testing of the REST API

Learn how to automate REST API's in Java using RESTAssured library

✅ Add checks and assertions to your HTTP tests for functional testing with Artillery

WebUI,接口自动化测试框架

Lightweight API testing tool based on cucumber JVM

A simple and extensible behavioural testing library for Go. You can use api test to simplify REST API, HTTP handler and e2e tests.

A real-time tech course finder, created using Elasticsearch, Python, React+Redux, Docker, and Kubernetes.

:seedling: Formats the results of an apitest run as PlantUML markup

Newman is a command-line collection runner for Postman

Using Robot Framework for API (test) automation

Mock, Test & Track HTTP Requests and Response for Microservices

An automation CLI tool that creates the tests project for Web, API & Mobile apps and runs things like geckodriver, chromedriver & appium internally for various stacks, browsers, platforms & modes.

Easy Graphql Testing in Java

Exercises for learning how to write Unit tests, API tests, End-to-end tests, and more...

VSCode Extension for Karate

Simple and Powerful desktop client for working with JSON APIs

🛡A Performance and Functional Testing Engine for APIs

APIs REST simulando loja virtual para servir de estudo de testes de API de forma manual ou automatizada

👽 Open source API development ecosystem - https://hoppscotch.io

Boilerplate generator for API Testing from Swagger to Cypress

接口自动化测试系统（Automated Api Testing System）

Docket - A fully fledged todo app built for test automation practise.

Rest API Testing for Professional

REST API Testing Tool for all levels in a Test Pyramid

A feathery cross platform API crafting tool

Newman Reporter for InfluxDB

MeterSphere 是一站式开源持续测试平台，覆盖测试管理、接口测试、性能测试等。搞测试，就选 MeterSphere！

This repo contains example codes of API Tests using Rest-Assured and OkHttp. Learn How to use Rest-Assured and OkHttp.

🌿 A simple bash script to test JSON API from terminal in a structured and organized way.

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

Reky is an opensource API development platform. It automatically visualizes API response with outstanding graphs & tables.

Hurl, run and test HTTP requests with plain text.

Friendly and fast tool for sending HTTP requests

Mobile Security Framework (MobSF) is an automated, all-in-one mobile application (Android/iOS/Windows) pen-testing, malware analysis and security assessment framework capable of performing static and dynamic analysis.

Framework for writing maintainable Selenium and REST API tests in Java.

Command line API client, an API testing tool and an easy load testing tool

HTTP testing framework built on Mocha that makes testing API endpoints easy, fast, and fun

A collection of helper methods for testing and debugging API endpoints.

Using Cypress for test automation API.

Adaptation of swagger-coverage project for python

As easy as /aitch-tee-tee-pie/ 🥧 Modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more. https://twitter.com/httpie

↯ Planet-scale performance testing for DevOps & SRE

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

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

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

Hidden parameters discovery suite

One-stop solution for HTTP(S) testing, covering API testing, load testing and digital experience monitoring (DEM).

API testing tool with automatic swagger assertions

Cucumber DSL for testing RESTful Web Services

HTTP/1.1, HTTP/2 and WebSockets stub server for stubbing distributed web services in Docker and non-containerized environments for integration and contract testing

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

An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie

A better tool for testing APIs

A web app for API test automation

Configurations for GitHub post-deployment testing with Assertible via CI

AWS / Amazon S3 auth plugin for HTTPie

httpcat is a simple utility for constructing raw HTTP requests on the command line.

The Stoplight desktop app + issues repository.

Test Automation Made Simple

Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.

An API client library and CLI written in Python. It's Postman for terminal lovers!

:four_leaf_clover: Awesome API Documentation and Testing Application

Easiest way of learning the endpoints of iyzipay API

A quickstart project for testing APIs with javascript, mocha and chai

The first open-source AI-driven tool for automatically generating system-level test cases (also known as fuzzing) for web/enterprise applications. Currently targeting whitebox and blackbox testing of REST APIs.