Tool detail

BuiltWith

Returns BuiltWith technology-stack detections and metadata for one domain, for tech-stack research and sales qualification.

Categories: Website analysis, Company data

Use when

find what web technologies/platforms a domain currently runs
check a company's tech stack for sales qualification or competitive research

Not for

not historical-only -- liveOnly filters to currently-detected technologies when set
not a company-wide report -- one domain per call

Inputs

GET query params: domain (string, required, 1-253 chars, no URL path), liveOnly (boolean, optional, default false).

Admitted input schema

{
  "type": "object",
  "properties": {
    "domain": {
      "type": "string",
      "minLength": 1,
      "maxLength": 253,
      "description": "Domain name to research, for example example.com. Do not include a URL path."
    },
    "liveOnly": {
      "type": "boolean",
      "description": "When true, include only technologies currently detected on the domain.",
      "default": false
    }
  },
  "required": [
    "domain"
  ],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.builtwith.com/agent/domain

Payment

Protocol: x402
Listed price: 0.0495 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.builtwith.com/agent/domain
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z