# subagentapi.com — the unified API catalog + health-check primitive > A unified, read-only API catalog and live health check over every D1-backed primitive in the subagent*.com family — holds no data of its own, only aggregates and live-pings sibling sites' real APIs. ## API - GET /api/catalog — machine-readable JSON catalog of every route across every primitive in the family ## Family This site is one of 36 Cloudflare Workers in the subagent*.com family. For the live, machine-readable directory of every sibling domain, Cloudflare zone ID, and worker binding, fetch: https://subagentsubdomains.com/api/dns-zones For a unified catalog of every API route across every primitive in the family: https://subagentapi.com/api/catalog