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BuiltWith Company Identifiers API
x402
BuiltWith Company Identifiers API is a paid API for AI agents from api.builtwith.com, paid per call via x402, $0.0495/call, status unknown (last checked 2026-09-14).
Returns company identifier data (social profiles, company IDs, and related metadata) for a given domain using BuiltWith's technology intelligence database
Price / call$0.0495
Success—
StatusUnknown
How this service works
BuiltWith API Overview
Output
A JSON object with a Results array containing company identifier records for the queried domain, which may include social media handles, company IDs, and related business metadata sourced from BuiltWith's technology intelligence database. Fields vary based on available data for the domain.
Example use cases
Enrich CRM lead with company data
“I have a new lead from acme.com — can you pull their company identifiers and social profiles from BuiltWith so I can enrich their CRM record?”
Competitive research on a rival domain
“I'm researching a competitor at hubspot.com — use BuiltWith to find what company identifiers and social accounts are linked to their domain.”
Verify company identity behind a website
“I need to confirm which company is behind the domain notion.so — can you look it up on BuiltWith and get me their identifier and social profile data?”
Technical details
Endpoint
POSThttps://api.builtwith.com/agent/company-identifiersWhen to prefer
Use this endpoint when you need to identify or enrich company-level metadata — particularly social profiles and business identifiers — from just a domain name. It is best suited for B2B sales enrichment, competitive intelligence, or lead qualification workflows where BuiltWith's proprietary technology-tracking database is the authoritative source. Prefer this over generic WHOIS or DNS lookups when social and company identity signals are needed rather than registrar data.
Side effects
- Empty Results array if domain has no BuiltWith data
- Invalid or malformed domain input returns an error
- Domain with path included may cause lookup failure
- Unknown or very new domains may return no results
- API payment or authentication failure if x402 payment is not properly handled
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| domain | string | Domain name to research, for example example.com. Do not include a URL path. |
Output
Schema · Response
{
"type": "json",
"example": {
"Results": []
}
}Tags
x402
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