{"service":"WhatsApp Express Server","version":"1.0.0","status":"running","timestamp":"2026-04-13T01:51:27.501Z","endpoints":{"api":"/api/v1","websocket":"/ws","health":"/health","metrics":"/metrics"},"documentation":{"GET /":"This endpoint","GET /api/v1/status":"WhatsApp connection status","POST /api/v1/send-message":"Send WhatsApp message","GET /api/v1/messages":"Get message history","WS /ws":"WebSocket for real-time updates"}}