# E12 public business directory

E12 organizes factual public company information across 12 industries. e12.hk is the Hong Kong catalogue; e12.ca is the global catalogue and provides country filters.

## Public discovery
- Directory: https://e12.hk/pages/search.php
- Sitemap: https://e12.hk/sitemap.xml
- Company profiles use /pages/company.php?slug={slug} on each company's canonical host.

## Partner API
- GET https://e12.hk/api/v1/companies.php
- GET https://e12.hk/api/v1/company.php?slug={slug}
- GET https://e12.hk/api/v1/nearby.php
- API access requires an issued X-Api-Key and returns only explicitly approved published records.

Respect profile source disclosures, canonical URLs, applicable data rights, rate limits, and opt-out requests. Private, account, admin, invitation and internal AI endpoints are not public data sources.

## Public citation layer
- Full company summaries (claimed first, unclaimed prospects last): https://e12.hk/llms-full.txt
- Public JSON-LD: https://e12.hk/api/v1/listings/{slug} (60 requests/minute/IP)
- Short links API: https://e12.hk/developers/short-links
- Prospect profiles: https://e12.hk/{industry-slug}/{company-slug}; labelled UnclaimedListing.
- E12 AI matching and partner feeds require separate business opt-in; public structure is not opt-in.
- Restaurants: https://e12.hk/industries/restaurants
- Automotive: https://e12.hk/industries/automotive
- Technology: https://e12.hk/industries/technology
- Healthcare: https://e12.hk/industries/healthcare
- Real Estate: https://e12.hk/industries/real-estate
- Education: https://e12.hk/industries/education
- Legal: https://e12.hk/industries/legal
- Accounting: https://e12.hk/industries/accounting
- Retail: https://e12.hk/industries/retail
- Travel: https://e12.hk/industries/travel
- Construction: https://e12.hk/industries/construction
- Prof. Services: https://e12.hk/industries/professional