PyPI
schemathesis/schemathesis
Catch API bugs before your users do
MITAug 3, 2026 · metrics 2.10.0
All tags
Catalogue tag
#api-testing
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
34 records
Maven
karatelabs/karate
Test Automation Made Simple
MITAug 28, 2026 · metrics 2.10.0
Go
keploy/keploy
Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.
Apache-2.0Aug 5, 2026 · metrics 2.10.0
npm
stoplightio/prism
Turn any OpenAPI2/3 and Postman Collection file into an API server with mocking, transformations and validations.
Apache-2.0Aug 27, 2026 · metrics 2.10.0
npm
usebruno/bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
MITAug 5, 2026 · metrics 2.10.0
npm
hoppscotch/hoppscotch
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
MITAug 4, 2026 · metrics 2.10.0
crates.io · PyPI
Orange-OpenSource/hurl
Hurl, run and test HTTP requests with plain text.
Apache-2.0Aug 28, 2026 · metrics 2.10.0
NuGet
dotnet/dev-proxy
Simulate API failures, throttling, and chaos — all from your command line.
MITAug 3, 2026 · metrics 2.10.0
Maven · npm
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。
Custom licenseAug 27, 2026 · metrics 2.10.0
Go
k1LoW/runn
runn is a package/tool for running operations following a scenario.
MITJul 24, 2026 · metrics 2.10.0
Go
K1LoW/runbk
runn is a package/tool for running operations following a scenario.
MITJul 17, 2026 · metrics 2.10.0
Packagist
php-vcr/php-vcr
Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.
MITJul 15, 2026 · metrics 2.10.0
npm · Go
marle3003/mokapi
Your API mocking tool for OpenAPI and AsyncAPI using Go and JavaScript - https://mokapi.io
MITSep 6, 2026 · metrics 2.10.0
npm
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)
Apache-2.0Jul 16, 2026 · metrics 2.10.0
npm
grafana/openapi-to-k6
A CLI tool to convert an OpenAPI schema to a TypeScript client to use with k6.
AGPL-3.0Jul 30, 2026 · metrics 2.10.0
npm
jaredwray/mockhttp
A simple HTTP server that can be used to mock HTTP responses for testing purposes. Inspired by httpbin and built using nodejs and fastify with the idea of running it via https://mockhttp.org, via docker jaredwray/mockhttp, or nodejs npm install jaredwray/mockhttp.
MITJul 27, 2026 · metrics 2.10.0
Packagist · npm
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
MITSep 5, 2026 · metrics 2.10.0
Go
unkn0wn-root/resterm
Terminal API client for HTTP/GraphQL/gRPC with support for SSH tunnels, WebSockets, SSE, Workflows, Profiling, OpenAPI, Kubernetes port-forwarding and headless API.
Apache-2.0Jul 25, 2026 · metrics 2.10.0
npm
glubean/glubean
Workflow verification platform — write API tests in TypeScript, run locally or in CI, let AI agents write and repair them
Apache-2.0Jul 23, 2026 · metrics 2.10.0
NuGet
Avanade/UnitTestEx
UnitTestEx provides .NET testing extensions to the most popular testing frameworks (MSTest, NUnit and Xunit) specifically to improve the testing experience with ASP.NET controller, and Azure Function, execution including underlying HttpClientFactory mocking.
MITSep 4, 2026 · metrics 2.10.0
Go
whyiug/agentapi-doctor
Local CLI for diagnosing OpenAI- and Anthropic-compatible APIs beyond 200 OK with stream lifecycle checks and reproducible redacted reports.
Apache-2.0Jul 15, 2026 · metrics 2.10.0
Maven
arextest/arex-agent-java
Lightweight Java agent for traffic capture and replay, enhancing testing and debugging.
Apache-2.0Aug 9, 2026 · metrics 2.10.0
npm
pnakhat/playwright-spec-doc-reporter
A beautiful Playwright reporter with BDD annotations, inline API viewer, AI-powered failure analysis, and self-healing payload exports.
MITAug 6, 2026 · metrics 2.10.0
Go
bmcszk/go-restclient
Go library for executing HTTP requests from .http files with JetBrains/VS Code compatibility. Same files for manual testing and automated E2E tests.
MITAug 29, 2026 · metrics 2.10.0
Go · npm
shyam-s00/gopher-glide
Gopher-Glide (gg) is an open-source, high-fidelity API traffic simulator. Move beyond brute-force load testing with native IDE integration, zero-config profiles, and an interactive TUI that lets you inject chaos in real-time.
MITAug 23, 2026 · metrics 2.10.0
Go
I-invincib1e/Httli
A colorful, lightweight command-line HTTP client similar to Postman. Built with Go for fast performance and beautiful terminal output.
MITJul 24, 2026 · metrics 2.10.0
npm
liorcodev/trpc-docs-generator
Automatically generate beautiful, interactive documentation for your tRPC APIs
MITJul 29, 2026 · metrics 2.10.0
Go
thib-ack/rehapt
Golang Rest Http API testing library
MITJul 21, 2026 · metrics 2.10.0
npm
hsl1230/http-forge
The API Platform Built for AI Agents - Turn GitHub Copilot, Claude Code, and Crsor into expert API engineers. 60+ MCP tools. No extra API keys. No cloud account. Full Postman compatibility, OpenAPI 3.0, headless CLI, and TypeScript codegen — all local.
MITAug 6, 2026 · metrics 2.10.0
Go
I-invincib1e/http-cli
A colorful, lightweight command-line HTTP client similar to Postman. Built with Go for fast performance and beautiful terminal output.
MITJul 18, 2026 · metrics 2.10.0