{"ok":true,"method_hint":"POST","path":"/v1/a2a/handshake","free":true,"protocol":{"name":"Google A2A","version":"0.2.0","spec":"https://github.com/google-a2a"},"request_schema":{"peer":"string (your agent id or name)","capability":"string (optional capability hint, e.g. 'aurora-lattice')","client_nonce":"string (optional client-supplied nonce)","agent_did":"string (optional did:* for your agent)","agent_name":"string (optional human label)","capabilities_requested":"string[] (optional capability list)"},"sample_request":{"peer":"corey-circle","capability":"aurora-lattice"},"sample_curl":"curl -sX POST https://hivemorph.onrender.com/v1/a2a/handshake -H 'content-type: application/json' -H 'X-Hive-Demo-Mode: harness' -d '{\"peer\":\"corey-circle\",\"capability\":\"aurora-lattice\"}'","demo_mode":{"header":"X-Hive-Demo-Mode","value":"harness","effect":"stamps demo_mode=true on any downstream receipt; useful for first-call testing"},"see_also":{"agent_card":"https://hivemorph.onrender.com/.well-known/agent-card.json","catalog":"https://hivemorph.onrender.com/v1/catalog","x402_quote":"POST https://hivemorph.onrender.com/v1/x402/quote (free)"}}