{"uid":"cap_Crg1BYXkvbhUlrl-tRcEc","slug":"washington-state-contractor-license-lookup-eeff89d7","name":"Washington State Contractor License Lookup","description":"Look up Washington State contractor licences by licence number, state business identifier or business name, with status, type, specialties and expiration dates.","url":"https://win.oneshotagent.com/v1/tools/lookup/company-contractor-license?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"ubi":{"type":"string","description":"The state business identifier (UBI)"},"name":{"type":"string","description":"A fragment of the business name, matched ignoring case. 2 to 100 characters."},"limit":{"type":"integer","description":"Most licences to return. From 1 to 20. Defaults to `5`."},"state":{"enum":["WA"],"type":"string","description":"State whose contractor register is searched"},"license_number":{"type":"string","description":"The state contractor licence number, including any asterisks. 1 to 20 characters."}}},"responseSchema":null,"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_5pGGA1MoUA1ka5ErZ2eY7","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":"Looks up Washington State contractor licenses by license number, UBI, or business name, returning status, type, specialties, and expiration dates.","exampleAgentPrompt":"Can you check if 'Pacific Northwest Builders LLC' is a licensed contractor in Washington State and tell me their license status, type, and when it expires?","exampleUseCases":[{"title":"Verify contractor before hiring","prompt":"I'm about to hire a contractor for a home renovation in Washington — can you look up 'Summit Construction Group' in the Washington contractor register and tell me if their license is active and what it covers?"},{"title":"License number status check","prompt":"Can you pull up the Washington State contractor license SUMMICO*123AA and tell me if it's still valid and when it expires?"},{"title":"Due diligence on business UBI","prompt":"I have a business UBI number 603-456-789 for a Washington contractor — can you look them up and tell me their license status, specialties, and any relevant details?"}],"resultDescription":"Returns up to the requested number of matching contractor license records for Washington State, each including the business name, license number, UBI, license type, specialties, current status (active/inactive/expired), and expiration date.","failureModes":["No matching license found for the given license number, UBI, or name fragment — returns empty results","Name fragment too short (under 2 characters) or too long (over 100 characters) — validation error","Invalid or unrecognized license number format — no results or error","State parameter set to a value other than 'WA' — validation error","Limit out of range (below 1 or above 20) — validation error","Network or payment failure via x402 protocol — call not completed"],"whenToPreferThis":"Use this endpoint when you specifically need to verify or retrieve contractor license information for Washington State businesses. It is the right choice when you have a license number, UBI, or business name and need authoritative license status, type, specialties, or expiration data from the WA contractor register. Prefer this over generic web search when structured, machine-readable license data is required for compliance checks, due diligence, or contractor vetting workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T12:41:35.648Z","isFirstParty":false,"canonicalSlug":"washington-state-contractor-license-lookup-eeff89d7"}