Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysis, competitive intelligence, and sales qualification.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://api.builtwith.com/agent/domain' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://api.builtwith.com/agent/domain'
Endpoint: https://api.builtwith.com/agent/domain. Operated by api.builtwith.com, not by Animica. Price and availability were correct at the last probe on 2026-09-02 and are set by the operator, who may change them.
Run an uncommitted BuiltWith Ask query and return matching websites for research and qualification. This route does not create a persistent List report.
Run semantic search over BuiltWith technologies and categories to resolve a concept such as 'payment gateway' to relevant technology names.