{"uid":"cap_M7wX5V3ib_3hEIvDea-Z0","slug":"naics-2022-hierarchy-children-lookup-23f1ce13","name":"NAICS 2022 Hierarchy Children Lookup","description":"List the codes one level below a NAICS 2022 code (sector to national industry); omit the code to list the 20 sectors.","url":"https://industry-occupation-codes.x402tookit.com/naics-children?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":{"code":{"type":"string","description":"NAICS 2022 code of 2 to 5 digits, e.g. 5415 (omit for the sectors)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"parent":{"type":["null","object"],"properties":{"code":{"type":["null","string"]},"level":{"type":["null","number"]},"title":{"type":["null","string"]},"levelName":{"type":["null","string"]}}},"source":{"type":["null","string"]},"reasons":{"type":["array","null"]},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"children":{"type":["array","null"],"items":{"type":"object","properties":{"code":{"type":["null","string"]},"level":{"type":["null","number"]},"title":{"type":["null","string"]},"levelName":{"type":["null","string"]}}}},"degraded":{"type":["boolean","null"]},"childCount":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"attribution":{"type":["null","string"]},"childLevelName":{"type":["null","string"]}}}}}}},"responseSchema":null,"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_TOjI4pUSxzA4sRfsD7L4q","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":"Returns the list of NAICS 2022 codes one level below a given code, or lists all 20 top-level sectors if no code is provided.","exampleAgentPrompt":"Can you list all the NAICS 2022 subsectors that fall directly under sector 54 (Professional, Scientific, and Technical Services)?","exampleUseCases":[{"title":"Browse NAICS top-level sectors","prompt":"Show me all 20 top-level NAICS 2022 sectors so I can pick the right one for classifying a new business."},{"title":"Drill into a NAICS industry group","prompt":"What are the NAICS 2022 codes one level below industry group 5415 — I need to see all the sub-industries under Computer Systems Design."},{"title":"Build industry dropdown for onboarding","prompt":"I'm building a business registration form — can you fetch the direct children of NAICS sector 23 (Construction) so I can populate a dropdown of subsectors?"}],"resultDescription":"Returns a list of child NAICS 2022 codes (one level below the requested code), each with its code string, title, numeric level, and level name. Also includes the parent code and title, total child count, the name of the child level, data source attribution, and an asOf timestamp.","failureModes":["Invalid or malformed NAICS code returns an error or empty children list","Code at the deepest level (national industry, 6 digits) has no children","Code with wrong digit count may not match any NAICS level","Network or payment failure returns no data"],"whenToPreferThis":"Use this endpoint when you need to traverse the NAICS 2022 hierarchy level by level — discovering what industries exist under a given sector, subsector, or industry group. Prefer it over a search endpoint when you know the parent code and want a complete, authoritative list of its direct children rather than a keyword-filtered result.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T12:31:13.554Z","isFirstParty":false,"canonicalSlug":"naics-2022-hierarchy-children-lookup-23f1ce13"}