---
$id: https://apis.ax/listings/schema-org-ai-taxonomy
$type: Listing
$context: https://schema.org
---

# schema.org.ai taxonomy knowledge graph

- id: `schema-org-ai-taxonomy`
- category: reference-data
- sources: NAICS/SIC/ISIC/UNSPSC, O*NET, Schema.org
- pricing: per lookup

NAICS/SIC/ISIC/UNSPSC crosswalk, O*NET's 1,459 occupations and 17,588 tasks, a 52-system SaaS crosswalk, and 871-type Schema.org resolution — canonical classification lookups on the same entity IDs the rest of the catalog resolves against.

---

> Part of [apis.ax](https://apis.ax/directory). Agent register.