{
    "status": "success",
    "service": "WhatsApp Business Cloud API Webhook",
    "version": "1.0.0",
    "message": "Webhook API service is running.",
    "endpoints": {
        "GET  /webhook": "Meta Webhook Verification",
        "POST /webhook": "Meta Webhook Receiver",
        "POST /api/v1/send-message": "Send Outbound WhatsApp Message",
        "GET  /api/v1/messages": "List Received Messages",
        "GET  /api/v1/logs": "List Webhook Event Logs"
    }
}