builtwith-api

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Installation ​

npm / yarn / pnpm ​

bash
npm install builtwith-api
bash
yarn add builtwith-api
bash
pnpm add builtwith-api

Bun ​

bash
bun add builtwith-api

Homebrew ​

bash
brew install zcaceres/tap/builtwith

CLI (no install) ​

Run the CLI with npx:

bash
npx --package builtwith-api builtwith free example.com --api-key YOUR_KEY

Or install globally:

bash
npm install -g builtwith-api
builtwith free example.com

MCP Server ​

The MCP server uses the separate builtwith-mcp package. Install it globally:

bash
npm install -g builtwith-mcp

Or run it with npx:

bash
npx -y builtwith-mcp

Standalone binaries ​

GitHub Releases provides precompiled binaries for:

  • Linux x64 / ARM64
  • macOS x64 / ARM64 (Apple Silicon)
  • Windows x64

API Key ​

Get a BuiltWith API key at api.builtwith.com.

Set it as an environment variable:

bash
export BUILTWITH_API_KEY=your-key-here

You can also use --api-key with the CLI or MCP server, or pass the key to createClient().