builtwith.com

Run an uncommitted BuiltWith Ask query and return matching websites for research and qualification. This route does not create a persistent List report.

Return public company registration, tax, and VAT identifiers associated with one domain when available.

Return technology recommendations inferred from a domain's existing stack and comparable sites.

Run semantic search over BuiltWith technologies and categories to resolve a concept such as 'payment gateway' to relevant technology names.

Return domains connected to a BuiltWith tag such as an IP address or infrastructure attribute.

Return historical technology changes for one domain, optionally constrained by a human-readable time boundary such as 'last month'.

Resolve a company or brand name to associated website domains before running domain-level research.

Find domains related through shared identifiers, infrastructure, analytics, ownership signals, and other BuiltWith relationship evidence.

Return keywords and topical signals associated with one website domain.

Return BuiltWith technology detections and metadata for one domain. Useful for company research, stack analysis, competitive intelligence, and sales qualification.

Return redirect destinations observed for a domain, useful for brand, migration, acquisition, and asset research.

Return BuiltWith trust scoring and supporting signals for vendor review, fraud screening, and website due diligence.