# Services from industry-occupation-codes.x402tookit.com on Zero

> industry-occupation-codes.x402tookit.com serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/industry-occupation-codes.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/industry-occupation-codes.x402tookit.com/health.json

## Services

- [NAICS 2022 Code Lookup](https://www.zero.xyz/c/naics-2022-code-lookup-a1ab3d9b/llms.txt): $0.02/call via x402. Returns the title, hierarchical level, and full parent chain for a given NAICS 2022 industry code (2–6 digits or sector range).
- [Industry and Occupation Codes – NAICS/SOC Cross-Walk](https://www.zero.xyz/c/industry-and-occupation-codes-naics-soc-cross-walk-81da1d1d/llms.txt): $0.03/call via x402. Given a NAICS industry code, returns its top SOC occupations by employment share; given a SOC occupation code, returns its top employing industries — drawn from the BLS employment matrix.
- [SOC 2018 Occupation Code Search](https://www.zero.xyz/c/soc-2018-occupation-code-search-d1a7fa73/llms.txt): $0.02/call via x402. Search Standard Occupational Classification (SOC) 2018 occupations by keyword or code prefix, with optional level filtering, returning up to 50 matches.
- [SOC 2018 Occupation Code Lookup](https://www.zero.xyz/c/soc-2018-occupation-code-lookup-baeda89c/llms.txt): $0.02/call via x402. Look up a SOC 2018 occupation code to retrieve its title, hierarchical level, parent chain, and US employment figures.
- [Industry and Occupation Codes – Code Validator](https://www.zero.xyz/c/industry-and-occupation-codes-code-validator-81290533/llms.txt): $0.02/call via x402. Validates whether a given code is a recognized NAICS 2022 or SOC 2018 code, identifies its level, and reports which classification system it belongs to.
- [NAICS 2022 Hierarchy Children Lookup](https://www.zero.xyz/c/naics-2022-hierarchy-children-lookup-23f1ce13/llms.txt): $0.02/call via x402. 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.
- [SOC 2018 Child Code Lookup](https://www.zero.xyz/c/soc-2018-child-code-lookup-81406bd6/llms.txt): $0.02/call via x402. Returns the list of SOC 2018 codes one level below a given SOC code, traversing the hierarchy from major group to minor group to broad occupation to detailed occupation.
- [NAICS 2022 Industry Code Search](https://www.zero.xyz/c/naics-2022-industry-code-search-12eaca1d/llms.txt): $0.02/call via x402. Search NAICS 2022 industry classification codes by keyword or code prefix, with optional level filtering, returning up to 50 ranked matches.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)