SMS Fallback is a secure backup that sends OTPs through SMS when WhatsApp delivery does not succeed. It reduces the risk of failed verifications and improves trust in digital platforms. In India, combining channels is essential for reliability. By using SMS Fallback in the middle of the authentication process, anantya.ai offers strong delivery performance, audit readiness, and improve... https://anantya.ai/blog/sms-fallback-for-whatsapp-otp-india/