For AI agents

The shared registry of about 550 data, AI and tech companies behind the fru.dev directory sites: name, domain, logo, bio, category, headquarters, founding year, status, ticker and SEC CIK, each with its sources. Synced every morning at 06:15 UTC; each fru.dev site is read on its own cadence (daily to quarterly).

Point your agent here

• /llms.txt
• /llms-full.txt
• /openapi.json (OpenAPI 3.1)

Call the API

• GET /api/companies: Companies in the registry, filtered; returns companies with slug, name, domain, logo, bio, category, HQ, founded, status, ticker and their fru.dev pages
• GET /api/companies/{slug}: One company by its slug (an old or site-specific key answers with the canonical slug); returns the company, its parent and the companies it owns
• GET /api/companies/{slug}/across: What every fru.dev site says about one company right now; returns one snippet per site (next earnings, latest release, last round, latest deal, next conference) and a dated timeline
• GET /api/companies/{slug}/events: One company's history across the fru.dev sites, newest first; returns dated events (funding rounds, acquisitions, releases, earnings, incidents, price changes, partnerships, keynotes, leadership moves, certifications) with the site, kind, title, value and a link; paged with total and next
• GET /api/resolve: The canonical slug for a domain, a name or a site key; returns the matching company, or 404
• GET /api/search: Search companies and pages; returns up to 20 ranked results with title, link and one line
• GET /api/companies.json: The whole registry in one file; returns every published company

Usage terms

Free to read, no key needed. Cite "Companies (companies.fru.dev)" with a link. Responses are cached; keep to 60 requests a minute or fewer.