#api-testing (30 Repositories)
Ranked open-source repositories tagged with #api-testing, scored by pull request acceptance likelihood and maintainer engagement velocity.
63.5%
28.4h
30 repositories tagged #api-testing
mockzilla/mockzilla
Open-source OpenAPI mock server with cloud hosting and local modes for development, testing, and CI. Generates realistic API responses from specs with latency simulation, error injection, proxy fallback, and request validation. Validated against 2,200+ real-world OpenAPI specs.
keploy/keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
unkn0wn-root/resterm
Terminal API client for HTTP, GraphQL and gRPC. Plain .http files you can diff and version, with workflows, mocks, profiling, tracing, OpenAPI import, SSH tunnels, Kubernetes port-forwards, WebSocket, SSE and a CLI runner.
Kong/insomnia-mockbin
Insomnia Mockbin is the underlying backend for the API mocks capability of Insomnia. It is built and used by Kong, the author of the open-source Kong Gateway.
ing-bank/INGenious
INGenious Playwright Studio
microcks/microcks
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
WebFuzzing/EvoMaster
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 Web APIs, like REST, GraphQL and RPC (e.g., gRPC and Thrift).
Orange-OpenSource/hurl
Hurl, run and test HTTP requests with plain text.
schemathesis/schemathesis
Catch API bugs before your users do
php-vcr/php-vcr
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
ServeRest/ServeRest
APIs REST simulando loja virtual para servir de estudo de testes de API de forma manual ou automatizada
rust-man-org/rustman
Free, open-source API testing desktop app built with Rust. No account, no cloud, no telemetry.
dotnet/dev-proxy
Simulate API failures, throttling, and chaos — all from your command line.
usebruno/bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
ducaale/xh
Friendly and fast tool for sending HTTP requests
MobSF/Mobile-Security-Framework-MobSF
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.
serenity-js/serenity-js
A TypeScript-native acceptance testing framework that gives your Playwright Test, WebdriverIO, or Cucumber test suite the architecture it needs to scale.
arextest/arex-agent-java
Lightweight Java agent for traffic capture and replay, enhancing testing and debugging.
sunchayn/nimbus
Nimbus automatically analyzes your routes and validation rules to build interactive request schemas and a native interface for testing and exploring your APIs
karatelabs/karate
Test Automation Made Simple
alexandrehtrb/Pororoca
An API testing tool with support for HTTP/2 and HTTP/3. Alternative to Postman.
TommyLemon/APIAuto
☔ 敏捷开发最强大易用的接口工具，机器学习零代码测试与 AI 问答、生成代码与静态检查、生成文档与光标悬浮注释，腾讯、华为、SHEIN、传音、工行等使用 ☔ The most advanced tool for HTTP API. Machine learning no-code testing and AI assistant, generating codes and static analysis, generating comments and floating hints. Used by Tencent, Huawei, SHEIN, TRANSSION, ICBC, etc.
wlsf82/gitlab-cypress
Sample project to experiment with Cypress to test the GitLab application.
hoppscotch/hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
stoplightio/prism
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
postmanlabs/postman-mcp-server
Postman MCP Server — connect AI agents (Claude Code, Cursor, VS Code Copilot, Gemini CLI) to your Postman collections, OpenAPI specs, and environments via Model Context Protocol (MCP)
buer2233/ai-api-test-skill
AI接口自动化测试 Skill：面向 Python + pytest + requests，驱动 Codex / Claude Code 生成、维护和调试接口用例（AI API test automation skill for Python + pytest + requests）
cypress-io/cypress-realworld-app
A payment application to demonstrate real-world usage of Cypress testing methods, patterns, and workflows.
metersphere/metersphere
MeterSphere 是新一代的开源持续测试工具，内置 AI 助手，让软件测试工作更简单、更高效，不再成为持续交付的瓶颈。
baikaishuipp/jcci
Java code commit impact, java code change impact analysis，java代码改动影响范围分析工具，精准测试，回归测试范围划定