WhatsApp OTP: How to Send an OTP on WhatsApp Using Happilee API

Too Long? Read This First WhatsApp OTPs are delivered in under 3 seconds — up to 10x faster than SMS in high-congestion scenarios. Every code is end-to-end encrypted and completely immune to SIM-swap attacks. You cannot send OTPs through the standard WhatsApp Business App — you need the WhatsApp Business API and pre-approved authentication templates.Continue reading "WhatsApp OTP: How to Send an OTP on WhatsApp Using Happilee API"