Index onlineMerchant portal
Api Endpoint

BuiltWith

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

Open interactive test console

Offering

Provider
api.builtwith.com
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Business And Commerce
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://api.builtwith.com/agent/domain
MIME type
application/json
First seen
2026-10-16T01:50:06.715Z
Last seen
Tags
builtwith, agentcash, X402, technology-intelligence

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.0495 USDC
Atomic price: 49500 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "49500",
    "payTo": "0x1937E2d648b8f07A03429AE35f28C4942A756C94"
  }
]

Observed health

Status
Healthy
Latest latency
72 ms
Average latency
358 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "additionalProperties": false,
      "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",
          "default": false,
          "description": "When true, include only technologies currently detected on the domain."
        }
      },
      "required": [
        "domain"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": false,
          "properties": {
            "domain": {
              "description": "Domain name to research, for example example.com. Do not include a URL path.",
              "maxLength": 253,
              "minLength": 1,
              "type": "string"
            },
            "liveOnly": {
              "default": false,
              "description": "When true, include only technologies currently detected on the domain.",
              "type": "boolean"
            }
          },
          "required": [
            "domain"
          ],
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "additionalProperties": true,
          "description": "BuiltWith API JSON response. Fields vary by capability and available data.",
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}