SMSGatewayHub OTP Service India delivers secure, high-speed OTP verification with **2-3 second SMS delivery** and **99.9% uptime reliability**, helping businesses ensure seamless user authentication and higher conversion rates. Built with direct telecom operator connectivity across Airtel, Jio, Vodafone Idea, and BSNL networks, the platform enables instant OTP delivery with minimal la... https://crm.smsgatewayhub.com/knowledge-base/article/smsgatewayhub-otp-service-india-2-3-sec-delivery-99-9-uptime-2026