{"slug":"subdomain-api-6326bb31","name":"Subdomain API","summary":"Find known subdomains of a domain. Passive data; may include historic entries. List or count.","status":"live","indexable":true,"listed_since":"2026-10-25T17:50:24.157181Z","sources":[{"source":"mcp_registry","external_id":"app.subdomain/subdomains","owner_address":null,"seen_at":"2026-10-25T17:50:24.157181Z","removed_at":null}],"endpoints":[{"url":"https://api.subdomain.app/mcp","host":"api.subdomain.app","protocol":"mcp","state":"live","last_probe_at":"2026-10-25T20:40:31.113880Z","last_ok_at":"2026-10-25T20:40:31.113880Z","tools_count":2,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0},{"url":"https://subdomain.app/","host":"subdomain.app","protocol":"web","state":"live","last_probe_at":"2026-10-25T20:40:29.568099Z","last_ok_at":"2026-10-25T20:40:29.568099Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"payment_options":[],"usage":null,"notice":"Not affiliated with addrbook — claim or request removal."}