{"endpoints":{"GET /chats":"list conversations (Bearer)","GET /graph/entity":"params: q (entity name), limit (Bearer)","GET /graph/relations":"params: q (person name/jid), limit (Bearer)","GET /graph/threads":"params: chat_id, limit (Bearer)","GET /health":"liveness (no auth)","GET /messages":"params: chat_id, since, limit, q, include_system (Bearer)","GET /search":"semantic search; params: q, limit, chat_id (Bearer)"},"service":"wa_api"}