{"uid":"cap_OdSsdwA4_DTuobVVjGIsW","slug":"verify-uk-business-check-f043729d","name":"Verify UK Business Check","description":"Pay-per-call UK verification tools for AI agents: validators, business checks and website trust checks from official UK public data. Pay with USDC via x402 - no account, no API key.","url":"https://verify-uk.verifyuk.workers.dev/v1/business/check?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"frn":{"type":"string","description":"Optional FCA Firm Reference Number"},"name":{"type":"string","description":"Business name (used if no number)"},"vat_number":{"type":"string","description":"Optional VAT number to verify with HMRC"},"company_number":{"type":"string","description":"Companies House number (preferred)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"signals":[{"code":"vat_name_mismatch","level":"warning","message":"VAT is registered to a different business."}],"summary":{"cautions":1,"headline":"1 warning, 1 caution - review before trusting or paying.","warnings":1}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uUHHVNNbSTxGywQl-X1WD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks a UK business against Companies House, HMRC VAT, and FCA registers to surface trust signals, warnings, and cautions","exampleAgentPrompt":"Can you run a business check on UK company number 12345678 and also verify their VAT number GB123456789 — I want to know if there are any warnings or cautions before I pay them?","exampleUseCases":[{"title":"Supplier due diligence before payment","prompt":"I'm about to pay a UK supplier — their company number is 09876543 and they gave me VAT number GB987654321. Can you verify these match and flag any issues before I transfer the money?"},{"title":"FCA-regulated firm verification","prompt":"I need to check whether a financial advisory firm in the UK is properly FCA authorised — their FRN is 123456. Can you pull their registration details and tell me if anything looks off?"},{"title":"New vendor onboarding check","prompt":"We're onboarding a new UK vendor called Acme Supplies Ltd with company number 07654321 — can you cross-check them against Companies House and HMRC and give me a summary of any red flags?"}],"resultDescription":"A JSON object containing an array of trust signals (each with a code, severity level, and human-readable message) and a summary object with counts of warnings and cautions plus a headline string like '1 warning, 1 caution - review before trusting or paying.'","failureModes":["Company number not found on Companies House — returns no match signal","VAT number format invalid — may return validation error or format signal","FCA FRN not found — returns unregistered signal","Name-only search returns ambiguous results if multiple businesses share the name","Payment not made or insufficient USDC — 402 Payment Required response","Rate limiting or network timeout on upstream UK register APIs"],"whenToPreferThis":"Use this endpoint when you need to verify the legitimacy of a UK-registered business using official public data sources (Companies House, HMRC, FCA) before making a payment, signing a contract, or onboarding a vendor. It is particularly valuable when you have a company number, VAT number, or FCA FRN and want cross-register validation with trust signals. Prefer this over generic company search tools when you specifically need UK regulatory cross-checks and a structured warning/caution summary. It requires no account or API key and charges $0.02 USDC per call via x402.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T12:31:03.280Z","isFirstParty":false,"canonicalSlug":"verify-uk-business-check-f043729d"}