{"uid":"cap_PpnxwCQA39H236C7tZRH_","slug":"builtwith-company-identifiers-api-15cffa69","name":"BuiltWith Company Identifiers API","description":"BuiltWith API Overview","url":"https://api.builtwith.com/agent/company-identifiers","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"domain":{"type":"string","maxLength":253,"minLength":1,"description":"Domain name to research, for example example.com. Do not include a URL path."}}},"responseSchema":{"type":"json","example":{"Results":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0495","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.0495/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0495","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0495","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_3tt4Dqh584onvGRmdSxfO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0495","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns company identifier data (social profiles, company IDs, and related metadata) for a given domain using BuiltWith's technology intelligence database","exampleAgentPrompt":"Can you look up the company identifiers and social profiles associated with the domain stripe.com using BuiltWith?","exampleUseCases":[{"title":"Enrich CRM lead with company data","prompt":"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?"},{"title":"Competitive research on a rival domain","prompt":"I'm researching a competitor at hubspot.com — use BuiltWith to find what company identifiers and social accounts are linked to their domain."},{"title":"Verify company identity behind a website","prompt":"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?"}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:38:00.933Z","isFirstParty":false}