WhatsApp OTP is a one-time password sent through WhatsApp to verify user identity during login or signup. It delivers faster than SMS and has nearly 98 percent open rate. Businesses using WhatsApp OTP see fewer abandoned registrations and smoother user experiences. Anantya.ai offers this with pre-built API, automated fallback, and branded templates that make setup easy and reliable fo... https://anantya.ai/blog/whatsapp-authentication-guide/