WhatsApp OTP is being used by logistics and delivery companies to confirm handovers at the customer doorstep more reliably. This article explains how this method works even in areas with weak cellular signal but decent internet data. It also covers how a delivery confirmation code creates a clear, time stamped record for both the business and the customer. Anantya.ai shares why this u... https://anantya.ai/blog/whatsapp-authentication-guide/