{"message":"Enterprise Messaging System API - With Stage 1 Tracking & Stage 2 Two-Way Communication + Scheduling + Phase 5 Payments + Phase 7 AI Auto-Reply","version":"1.0.0 + Stage 1 + Stage 2 + Scheduling + Phase 5 + Phase 7","endpoints":{"Login":"POST /api/auth/login","Get Current User":"GET /api/auth/me","Logout":"POST /api/auth/logout","Create Message":"POST /api/messages","Get Messages":"GET /api/messages","Get Message":"GET /api/messages/:id","Update Message":"PUT /api/messages/:id","Delete Message":"DELETE /api/messages/:id","Send Message":"POST /api/messages/:id/send","Schedule Message":"POST /api/messages/:id/schedule","Cancel Schedule":"DELETE /api/messages/:id/schedule","Reschedule Message":"PUT /api/messages/:id/schedule","Get Scheduled Messages":"GET /api/messages/scheduled/list","Get Usage Stats":"GET /api/usage","Get Usage History":"GET /api/usage/history","Get Addon Packages":"GET /api/payments/addons","Create Checkout":"POST /api/payments/checkout","Payment History":"GET /api/payments/history","Get AI Settings":"GET /api/ai/settings","Update AI Settings":"PUT /api/ai/settings","Get AI Templates":"GET /api/ai/templates","Create AI Template":"POST /api/ai/templates","Get Message Events":"GET /api/events/messages/:id","Get Recipient Timeline":"GET /api/events/recipients/:id/timeline","Get Message Analytics":"GET /api/analytics/messages/:id","Get Dashboard Stats":"GET /api/analytics/dashboard","Get Conversations":"GET /api/conversations","Get Conversation":"GET /api/conversations/:id","Get Replies":"GET /api/replies?message_id=:messageId","Get Notifications":"GET /api/notifications","Create Config":"POST /api/settings/channels","Get Configs":"GET /api/settings/channels"}}