BuiltWith
Web technology information profiler tool. Find out what a website is built with.
BuiltWith
Find out what websites are built with.
BuiltWith detects the technologies used on any website including CMS, ecommerce platforms, analytics, frameworks, hosting providers, and more.
Start Here (For LLMs and AI Agents)
Use the API-focused LLM guide first:
This file is a high-level product map. The API LLM guide above contains detailed endpoint usage.
Core BuiltWith Links
- Website lookup:
https://builtwith.com/[domain]- Example: https://builtwith.com/example.org
- Natural language Ask tool: https://builtwith.com/ask
- Technology trends and market movement: https://trends.builtwith.com
- MCP endpoint for AI integration: https://api.builtwith.com/mcp
- API LLM guide (primary): https://api.builtwith.com/llms.txt
Programmatic Access
For direct API requests, use the official API docs and endpoint details:
Popular API families include:
- Domain technology lookup
- Technology and company lists
- Relationships / related sites
- Trust and risk signals
- Redirect and keyword data
- API-based trends data
Notes
- Bots/AI agents may be blocked on interactive website pages.
- For reliable automated access, use the API and MCP routes.
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