{"uid":"cap_GFwaRDBFh1G3HKNMrrZ2p","slug":"fittings-naics-lookup-d1d19af3","name":"fittings NAICS Lookup","description":"Looks up a NAICS industry code and its parent hierarchy, or searches NAICS industry titles by text.","url":"https://fittings.sh/v1/naics/lookup","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":["query"],"properties":{"mode":{"type":"string","description":"'code', 'text' or 'auto' (default)"},"limit":{"type":"number","description":"1-50, default 10"},"query":{"type":"string","description":"A NAICS code such as 541511, or text such as \"software\""}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.00398","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":"$0.00398/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00398","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.00398","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_87WKfO84Wk9eDYtrUQAaK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.00398","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up a NAICS industry code and its parent hierarchy, or searches NAICS industry titles by text query.","exampleAgentPrompt":"Can you look up the NAICS code 541511 and show me its full parent hierarchy?","exampleUseCases":[{"title":"Business registration industry classification","prompt":"I'm registering a new business that does custom software development — what's the right NAICS code and what does its industry hierarchy look like?"},{"title":"Search NAICS codes by keyword","prompt":"Search NAICS industry titles for anything related to 'healthcare' and give me the top 10 matches with their codes."},{"title":"Verify supplier industry classification","prompt":"I have a supplier that claims to be NAICS code 336111 — can you look that up and confirm what industry it covers and show me the parent codes?"}],"resultDescription":"Returns one or more NAICS industry records including the code, title, and parent hierarchy (sector, subsector, industry group, and industry level codes and titles), depending on whether the query was a code lookup or text search.","failureModes":["Invalid or non-existent NAICS code returns no results or an error","Text search with no matching titles returns an empty results list","Limit parameter out of range (not 1-50) may return a validation error","Ambiguous query with mode='auto' may incorrectly interpret a numeric string as a code rather than text"],"whenToPreferThis":"Use this endpoint when you need to look up or validate a specific NAICS code, retrieve its full industry hierarchy, or find NAICS codes matching a keyword or industry description. Prefer this over generic web searches when you need structured, authoritative NAICS classification data for business registration, regulatory filings, market research, or supplier classification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:57:10.650Z","isFirstParty":false}