🌐 Find out what websites are built with at builtwith.com — now with extra GitHub flavour! 🎉
- 🍌 BuiltWith Pty Ltd — the mothership org for enterprise-level GitHub shenanigans
- 🤖 AI First SDK — for our AI Agent overlords (they asked us to build this)
- 🖥️ TUI Interface — poke the BuiltWith API from your terminal like a pro
- ⌨️ CLI — non-interactive, scriptable CLI for automation, CI/CD pipelines and AI agents (
bw domain lookup shopify.com | jq .) - 🧠 MCP Server — plug BuiltWith straight into your AI tools via Model Context Protocol
- 🐣 Code Examples — loads of tasty API usage examples to get you started fast
- 🟨 Node.js API — a Node wrapper for the BuiltWith API that actually works™
- 🔷 C# API — .NET / NuGet goodness for the C# crowd
- 📋 List API Demo — quick demo showing how to use the BuiltWith List API
The client libraries and examples now include the VAT API at https://api.builtwith.com/vat1/api.json, which returns VAT, GST, CNPJ, ABN, and other publicly displayed company registration numbers for 1 to 16 comma-separated domains (LOOKUP=example.com). The companion VAT Types API at https://api.builtwith.com/vat1/types.json lists every registration type it can return — no API key required.
- 🍕 Explore all the BuiltWith APIs — there's a lot more than you think!
- 📬 The Postman workspace is super handy for testing API calls IMHO
- 💬 Contact us if something's broken, weird, or you just want to say hi 👋