API Pentesting Tools are specialized security tools used to test and analyze the security of Application Programming Interfaces (APIs).

Sliding window counters rate limiting implementation for Golang (Based on the Figma API rate limit algorithm)

restfile is a specification for storing HTTP requests in an easy to read and write file format.

MCP (Model Context Protocol) server for exposing Swagger/OpenAPI documentation to AI models like Claude. This tool allows AI assistants to explore, understand, and interact with your API documentation seamlessly.

Ephemeral Hub:: A temporary, no-login-required space for text, files, and collaborative brainstorming

A lightweight, browser-based REST API testing tool that allows you to test and debug API endpoints directly in your browser, without installing any software

Dynamic CLI generator for OpenAPI specifications designed for AI agents and automation

Laminas API Tools organization health files

OpenMorph: Modern CLI & TUI for safe, interactive OpenAPI vendor extension key transforms with colorized diffs, dry-run, and config merging.

Source code for https://www.webapis.xyz/ developed using Hugo and a custom theme

Copy API endpoints to your fs and run a local server using them

A modern, customizable documentation viewer for OpenAPI/Swagger

Aplicación de escritorio Electron que convierte fácilmente colecciones de Postman a formato YAML para Swagger/OpenAPI 3.0. Simplifica el proceso de documentación de APIs aprovechando tus colecciones existentes.

A new way to use APIs.

tApi: Define APIs with the power of TypeScript

A lightweight, open-source API Endpoint Visualizer that turns any JSON into a clean, readable, interactive API map. Built for frontend developers, backend devs, and API learners.

Editor de escritorio para especificaciones OpenAPI/Swagger con validación en tiempo real, previsualización interactiva y proxy CORS integrado para pruebas directas de endpoints. Desarrollado con Electron, combina la potencia de un editor nativo con las tecnologías web modernas.

A production-ready, dependency-free JavaScript API client for seamless REST API integration.

Tools for parsing, formatting, validating, and programmatically enhancing OpenAPI specifications in Go.

Free online tools at HarisLab.tech