BuiltWith

Showing 25 of 48 from the live probe.

• Domain Technologies

  Returns the live web technologies used on the root domain name.

• Domain API

  Domain API JSON lookup for technology and metadata by domain.

• Domain Api Json

  Raw Domain API JSON lookup for technology and metadata by domain.

• Change Api

  Change API JSON lookup for technology additions and removals by domain. Supports one or more comma-separated domains and optional natural language SINCE values such as 'last month'.

• Relationships Api

  Relationships API JSON lookup for related websites by domain.

• Free Api

  Free API JSON lookup for category/group counts by domain.

• Company To Url

  Company to URL API JSON lookup for domains from a company name.

• Tags Api

  Tags API JSON lookup for related domains from IP or attributes.

• Recommendations Api

  Recommendations API JSON lookup for technology recommendations by domain.

• Redirects Api

  Redirects API JSON lookup for live and historical redirects by domain.

• Keywords Api

  Keywords API JSON lookup for keyword data by domain.

• Keywords Search Api

  Keyword Search API — find websites containing a specific keyword. Returns a list of matching domains and a NextOffset value for pagination. Costs API credits per query.

• Trends Api

  Trends API JSON lookup for technology trend data.

• Product Api

  Product API JSON lookup for ecommerce product searches.

• Trust Api

  Trust API JSON lookup for trust scoring by domain.

• Vat Api

  VAT API JSON lookup for VAT, GST, CNPJ, ABN, and other publicly displayed company registration numbers associated with websites. Accepts 1–16 comma-separated domains. Uses 1 API credit only for each domain that returns registration data; domains with no results use no credits. Returned identifiers are found on public websites and are not verified or validated by BuiltWith.

• Vat Types Api

  List every company registration type that the VAT API may return, including its code, friendly name, and description. This public endpoint requires no API key and uses no API credits.

• Whoami Api

  WhoAmI API JSON lookup for account limits, credit costs, privacy flags, max batch sizes, and endpoint inventory. Uses no API credits. Call this first to make account-aware decisions.

• Usage Api

  Usage API JSON lookup for current credit balance (used, purchased, remaining). Uses no API credits.

• Mcp List Api

  Search and browse remote MCP servers in the BuiltWith MCP registry (v2). Requires a BuiltWith API key supplied as a bearer token. Provide search, category, or both. Returns up to 100 results per page as a JSON array of {Domain, Category, Description, Endpoints: [{Endpoint, AuthRequired, Tools: [{Name, Description}]}], first_detected, last_detected}, and preserves the complete API response including any fields added in the future. Uses no API credits.

• Mcp List Categories

  List valid BuiltWith MCP registry category slugs, labels, and entry counts (v2). This public endpoint requires no API key and uses no API credits.

• List Api

  List API JSON lookup for websites using a primary technology. Requires an active BuiltWith plan. OTHERTECHS are subordinate filters and do not consume additional primary technology report slots.

• Payment Balance

  Check an existing account's API-credit balance through the saved-Stripe-method top-up service. This is not x402.

• Payment Config

  Retrieve saved-Stripe-method account top-up limits, UTC monthly period, purchase increment, and idempotency rules. This is not x402.

• Payment Purchase

  Charge an existing account's saved Stripe payment method and add account API credits. This is not x402. Requires the separately scoped Agent Billing Key, fixed 2,000-credit increments, and an idempotency key.