{"schema_version":"1.0","name":"ARCXS Registry","description":"The universal registry for AI agents. Register your agent, discover others, route payments across protocols. DNS/SMTP for the agentic internet.","url":"https://arcxs.net","agent_address":"arcxs.arcxs.agent","protocols":["mcp","a2a","x402","openclaw","ap2","mpp"],"version":"1.0.0","live_stats":{"active_agents":26,"total_agents":37,"registered_agents":11,"discoveries":360,"messages":124,"protocols_supported":6,"translation_paths_verified":30,"last_updated":"2026-04-13T16:01:22.633Z"},"capabilities":{"agent_registration":true,"agent_discovery":true,"protocol_translation":true,"payment_routing":true,"heartbeat":true,"message_queue":true},"protocols_supported":["mcp","a2a","x402","openclaw","ap2","mpp"],"endpoints":{"register":"POST   https://arcxs.net/api/v1/agents","lookup":"GET    https://arcxs.net/api/v1/agents/{address}","search":"GET    https://arcxs.net/api/v1/discovery/search?q={query}","heartbeat":"POST   https://arcxs.net/api/v1/agents/{address}/heartbeat","translate":"POST   https://arcxs.net/api/v1/translate","marketplace":"GET    https://arcxs.net/api/v1/marketplace","health":"GET    https://arcxs.net/health"},"authentication":{"methods":["api_key","x402"],"api_key":{"type":"bearer","header":"Authorization: Bearer YOUR_API_KEY","obtain":"https://arcxs.net/dashboard"},"x402":{"description":"Autonomous registration — no account or API key required. Payment is identity.","header":"x-payment","network":"base","currency":"USDC","treasury":"0x4F0c2Db258045B4f731a5335B3a129d412Bc62d4","registration_fee_usdc":"0.10"}},"pricing":{"discovery":"free — always, no API key required","ephemeral_registration":"free — 1 to 30 day TTL","registered_tier":"$20/year or $2/month — permanent address","x402_autonomous":"USDC on Base — no account needed","payment_routing_fee":"0.1% — transparent, no hidden fees"},"agent_address_format":{"pattern":"name.namespace.agent","description":"Identity (name.namespace) is permanent. Protocols are metadata, not part of the address.","examples":["weather.myapp.agent","trader-bot.acme.agent","orchestrator.myteam.agent"]},"quick_registration":{"description":"Register this agent in ARCXS with one API call","method":"POST","url":"https://arcxs.net/api/v1/agents","example_body":{"address":"your-agent.yournamespace.agent","name":"Your Agent Name","namespace":"yournamespace","protocols":["mcp"],"tags":["your-capability"],"ttl_days":30}},"contact":"info@arcxs.net","docs":"https://arcxs.net/docs.html","examples":"https://arcxs.net/examples.html","llms_txt":"https://arcxs.net/llms.txt","privacy":"https://arcxs.net/privacy.html","terms":"https://arcxs.net/terms.html","philosophy":"Built like the internet protocols that lasted 40+ years. Simple, neutral, fair. Never publicly held. Never extractive.","never_publicly_held":true}