API Documentation Generator

Generate OpenAPI specs, Postman collections, and Markdown docs from source code.

17|45|Updated Jan 23, 2026

Search Tags:#documentation #markdown #api #openapi #postman #generate

Ready to run

npx skills add https://github.com/XSpoonAi/spoon-awesome-skill --skill api-documentation-generator-xspoonai

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: API Documentation Generator
Source: https://github.com/XSpoonAi/spoon-awesome-skill/tree/main/ai-productivity/api-documentation-generator
Command: npx skills add https://github.com/XSpoonAi/spoon-awesome-skill --skill api-documentation-generator-xspoonai

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

API teams spend hours manually documenting REST APIs; this Skill automates generation of OpenAPI specs, Postman collections, and markdown guides directly from source code.

Core Features & Use Cases

OpenAPI 3.0 specifications automatically generated from endpoints
Postman collections and markdown documentation produced in a single workflow
Framework-agnostic support for FastAPI, Flask, Django, and Express

Quick Start

Analyze your API source code with the tool to produce ready-to-use documentation.

Frequently Asked Questions about API Documentation Generator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I generate OpenAPI specifications from existing source code?▼

To generate OpenAPI specifications from source code, the tool analyzes your API endpoints, infers schemas, and detects authentication to automatically produce OpenAPI 3.0 specs. It extracts endpoints directly from your codebase to format documentation with security notes.

Can I automatically create Postman collections and Markdown documentation from my API code?▼

Yes, you can automatically create Postman collections and Markdown documentation from your API code in a single workflow. The generator analyzes your source code to extract endpoints and simultaneously outputs both formats alongside OpenAPI specifications.

Does the API documentation generator work with FastAPI, Flask, Django, and Express?▼

The API documentation generator works with FastAPI, Flask, Django, and Express frameworks. It provides framework-agnostic support to extract endpoints, infer schemas, and detect authentication across these popular web frameworks.

What is the best way to automate REST API documentation generation across multiple frameworks?▼

The best way to automate REST API documentation generation across multiple frameworks is using a tool that extracts endpoints, infers schemas, and detects authentication directly from source code. This eliminates manual documentation hours by producing OpenAPI, Postman, and Markdown outputs simultaneously.

Do I need to manually define schemas before generating API documentation?▼

No, you do not need to manually define schemas before generating API documentation. The tool automatically infers schemas and detects authentication methods from your source code to produce OpenAPI specifications, Postman collections, and Markdown guides.

How does automated API documentation handle security and authentication notes?▼

Automated API documentation handles security by detecting authentication methods directly within your source code. It extracts these security configurations and automatically formats the final OpenAPI specifications, Postman collections, and Markdown documentation with appropriate security notes.