SMS Fallback is a smart backup system used when WhatsApp OTP fails due to internet issues, app problems, or network gaps. It ensures the same OTP reaches users instantly through SMS, improving login success and payment verification. By using SMS Fallback with WhatsApp OTP, businesses achieve better conversions, smoother authentication, and stable performance across diverse Indian netw... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/