SMS Fallback helps deliver OTPs smoothly when WhatsApp messages fail or get delayed. This system is essential for Indian fintech and ecommerce platforms. By using SMS Fallback, businesses protect users from failed logins and incomplete transactions. anantya.ai supports this model with compliant SMS routing and WhatsApp OTP APIs. A stable fallback system improves trust and reduces OTP ... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/