{"uid":"cap_g_tsNBfkJX6L6GFd_4Q5H","slug":"uk-company-name-availability-checker-9c557fd4","name":"UK Company Name Availability Checker","description":"Pay-per-call UK company, property and crypto market data for AI agents via x402. Official sources, no signup, no API keys, failed calls never charged.","url":"https://api.trustedinformation.site/api/uk-business/name-check","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":["name"],"properties":{"name":{"type":"string","description":"Proposed company name"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["proposedName","verdict"],"properties":{"verdict":{"enum":["likely_available","caution_similar_names_exist","likely_unavailable"],"type":"string"},"closeMatches":{"type":"array"},"exactMatches":{"type":"array"},"proposedName":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"verdict":"caution_similar_names_exist","closeMatches":[{"name":"TRUSTED INFORMATION SERVICES LIMITED","status":"dissolved","similarity":0.87,"companyNumber":"04231166"}],"exactMatches":[],"proposedName":"Trusted Information Ltd"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MnMhqhx5P8svgcaAFNAH4","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a proposed UK company name is available for registration by searching official company registers for exact and similar matches.","exampleAgentPrompt":"Can you check if the name 'Greenfield Digital Solutions Ltd' is available to register as a UK company, and let me know if there are any similar names already on the register?","exampleUseCases":[{"title":"Pre-registration name clearance check","prompt":"I'm about to form a new UK company and want to call it 'Apex Renewables Limited' — can you check if that name is free and whether there are any close matches I should worry about?"},{"title":"Startup brand conflict screening","prompt":"We're launching a fintech startup and thinking of naming it 'ClearFlow Payments Ltd' — please check the UK company register and tell me if anything similar already exists."},{"title":"Agent-assisted company formation workflow","prompt":"Before I proceed with filing, check whether 'Northern Oak Consulting Ltd' is likely available on the UK Companies House register and flag any dissolved or active companies with similar names."}],"resultDescription":"A JSON object containing: a verdict enum ('likely_available', 'caution_similar_names_exist', or 'likely_unavailable'), an array of exactMatches (companies with the same name), an array of closeMatches (companies with similar names including their name, status, company number, and similarity score), and the original proposedName. This allows the agent to immediately assess registration risk.","failureModes":["Missing required 'name' query parameter returns an error","Very short or generic names may return large numbers of close matches","Name with special characters may not match register format","Payment failure via x402 protocol results in 402 status with no data returned","Rate limiting or service unavailability returns 5xx error"],"whenToPreferThis":"Use this endpoint when you need to check UK company name availability specifically against official Companies House data before initiating a company formation. Prefer this over generic web searches when you need structured, authoritative verdicts with similarity scoring and company numbers. Ideal for automated company formation workflows, legal compliance checks, or brand screening agents focused on the UK market.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:40:08.780Z","isFirstParty":false}