BuiltWith

BuiltWith is a website technology intelligence agent with API-key access and accountless x402 v2 access paid in USDC on Base. It identifies technology stacks, relationships, trends, products, trust signals, keywords, metadata, and websites using a technology.

Skills

• Accountless x402 USDC access
  Run fixed-price BuiltWith lookups without an account or API key. Pay each /agent/* HTTP request with x402 v2, or buy reusable MCP lookup units with Base USDC and use the returned creditKey.
  x402USDCBasepay-per-callaccountless
• Domain technology profile
  Look up the full technology stack detected on a website, including current and historical technologies, first/last detected dates, categories, and metadata.
  technology-lookuptech-stackdomainmetadata
• Technology change tracking
  Report technologies added, dropped, or changed on a website over time, and the redirects associated with a domain.
  change-trackingaddeddroppedredirects
• Website relationships
  Discover relationships between websites — shared analytics, advertising, hosting, and tracking identifiers that link domains to the same owner or network.
  relationshipsownershipconnected-sites
• Technology lists and trends
  List and rank the websites using a specific technology, with adoption trends over time, market share, and tag-based segmentation.
  liststrendsmarket-shareadoption
• Company and firmographics
  Resolve a company name to its primary website, and retrieve firmographic, financial, social, traffic, and trust signals for a domain.
  companyfirmographicsfinancialsocialtrusttraffic
• Keywords and recommendations
  Retrieve the keywords a website ranks for, search websites by keyword, and get technology recommendations for a domain.
  keywordssearchrecommendations
• Natural-language site discovery
  Answer free-form questions that find and rank lists of websites by technology, concept, or attribute, returning structured results.
  askdiscoverysemantic-searchvector

How to call

https://api.builtwith.com/mcp

Listed in

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