GitHub API Explorer

Explore, test, and compare GitHub REST and GraphQL APIs — all from your browser.

1,100+ endpoints auto-imported from GitHub's official OpenAPI spec. Built for developers and admins working with GitHub Enterprise EMU or any GitHub instance.

Features

• API Explorer — browse and search 1,100+ REST endpoints, send requests, view responses
• GraphQL Editor — query editor with examples, variables, and resizable panels
• Request History — full log with expandable details, replay, and add-to-collection
• Collections — organize requests into reusable groups and run them in batch
• API Version Compare — diff endpoints across GitHub cloud and GHES versions
• Templates — pre-built request templates for common workflows
• Webhook Reference — browse event types, actions, and payload fields
• Multi-Environment — switch between instances with separate credentials
• Dark/Light Theme — GitHub Primer design language

Quick Start

git clone https://github.com/thomasiverson/github-api-explorer.git
cd github-api-explorer
npm install
npm run import-api
npm run dev

Open http://localhost:3000, go to Settings, add an environment with your PAT, and start exploring.

Tech Stack

Next.js 16 · TypeScript · Tailwind CSS · Octokit · better-sqlite3 · OpenAPI 3.0

Documentation

See docs/GUIDE.md for detailed setup, usage, configuration, and architecture.

Security

Credentials encrypted at rest (AES-256). All API calls proxied through the backend with SSRF protection. Tokens never reach the browser.

Testing