{"uid":"cap_nUL48J6unnT2mbOSw4Rs0","slug":"liquid-leads-business-lookup-by-phone-or-domain-ca87b75a","name":"Liquid Leads Business Lookup by Phone or Domain","description":"Who is this phone number or website? Give a US phone number or a website and get the local business behind it: name, address, category, the best email graded A/B/C, a contact name when the email shows one, socials and buying signals. A website only matches when it carries the business's own phone number, so the answer is never a guess. $0.01 per lookup that finds a business; no match, no charge. USDC on Base or Arc.","url":"https://api.liquidagent.ai/v1/leads/lookup?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","properties":{"phone":{"type":"string","description":"A US phone number, any format: 4043552001, (404) 355-2001, +14043552001"},"domain":{"type":"string","description":"Or a website: example.com or https://www.example.com/contact (one of phone or domain)"}}}}},"output":{"type":"object","properties":{"type":{"const":"json"}}}}},"responseSchema":{"type":"json","example":{"count":1,"found":true,"query":{"phone":"+14043552001"},"priceUsd":0.01,"businesses":[{"id":"08f2...","name":"Midtown Family Dental","email":{"grade":"A","source":"website","address":"jsmith@midtownfamilydental.com","foundOn":"https://midtownfamilydental.com/contact","freeMail":false,"ownDomain":true,"roleInbox":false},"group":"Dental clinic","phone":"+14045550100","address":{"zip":"30309","city":"Atlanta","state":"GA","county":"Fulton","source":"public listing","street":"123 Peachtree St NE"},"contact":{"basis":"read from the email address","lastName":"Smith","firstName":"J."},"listing":{"sources":2,"confidence":0.98,"lastUpdated":"2026-09-14","possiblyClosed":false},"signals":{"hiring":false,"payments":[],"sitePlatform":"wordpress","onlineBooking":["zocdoc"],"siteCopyrightYear":2025},"website":"https://midtownfamilydental.com","category":"General dentistry","websiteProof":"their phone number and street address are on the site","websiteStatus":"live"}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VMeQFsaEYfxkxcjpJQb-I","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Identifies the business behind a US phone number or website domain, returning name, address, email, contact, category, and website signals","exampleAgentPrompt":"Can you find out what business is behind the phone number (404) 355-2001 — I need their name, email, address, and website if possible.","exampleUseCases":[{"title":"Identify caller before sales outreach","prompt":"I have a phone number, 4043552001, that came in as a warm lead — can you look up what business it belongs to and get me their email and address?"},{"title":"Enrich CRM record from domain","prompt":"We have a new lead that came through with just their website, midtownfamilydental.com — can you find the business name, contact email, and mailing address behind it?"},{"title":"Verify a vendor's legitimacy","prompt":"Before I pay this invoice, can you check what company is actually behind the website invoicingco.com and confirm their address and phone number match what they gave me?"}],"resultDescription":"A JSON object with a businesses array containing: business name, category and group, verified email with quality grade and source URL, phone number, full mailing address, inferred contact name, listing confidence score and last-updated date, website URL with live/closed status, and website signals including tech stack, copyright year, online booking platforms, and hiring status.","failureModes":["No business found for the given phone or domain — found:false with count:0","Invalid phone number format not matching any US number pattern","Domain not crawlable or no associated business listing found","Ambiguous input where both phone and domain are omitted","Payment failure via x402 protocol resulting in 402 response before data is returned"],"whenToPreferThis":"Use this endpoint when you need to identify or enrich a business record from just a US phone number or a website domain — particularly useful for sales prospecting, lead enrichment, vendor vetting, or reverse-lookup workflows where you need email, address, and contact details in a single call. Prefer it over generic WHOIS or public search tools when you need structured, confidence-scored business data with email quality grades and website signals.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T06:35:59.340Z","isFirstParty":false,"canonicalSlug":"liquid-leads-business-lookup-by-phone-or-domain-ca87b75a"}