WhatsApp OTP is a one time password sent through WhatsApp for verifying user identity during login or checkout. It delivers within seconds, has a 98 percent open rate, and reduces verification drop offs significantly. WhatsApp authentication eliminates carrier dependency and SIM swap risks that affect SMS. Businesses using WhatsApp OTP API experience smoother onboarding and better con... https://anantya.ai/blog/whatsapp-authentication-guide/