Secure user authentication with reliable SMS OTP delivery. Protect your platform with two-factor authentication that users trust.
Enterprise-grade security and reliability for your authentication needs
IECHO's optimized global SMS network delivers verification codes in under 5 seconds. Advanced routing algorithms and premium carrier partnerships ensure the fastest possible delivery worldwide.
Reach users in 200+ countries through IECHO's worldwide SMS infrastructure. Premium direct routes and local number support ensure reliable delivery across all regions with optimal performance.
Multi-layered AI-powered security system protects against fraud, abuse, and unauthorized access. Enterprise-grade protection ensures only legitimate verification requests are processed with 99.9% threat blocking accuracy.
How businesses use SMS OTP for secure authentication
Verify new user accounts during the registration process. Ensure only valid phone numbers are used and prevent fake account creation.
Add an extra layer of security to user logins. Protect sensitive accounts with SMS-based second factor authentication.
Securely verify user identity during password reset flows. Ensure only account owners can reset their passwords.
Verify high-value transactions and sensitive operations. Add security checkpoints for financial and payment operations.
Get started with just a few lines of code
Make a simple POST request to send verification code
User gets the verification code via SMS
Validate the code entered by the user
// Send OTP
curl -X POST https://api.iecho.ai/sms/send-otp \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"phone": "+1234567890",
"template": "Your verification code is {code}"
}'
// Verify OTP
curl -X POST https://api.iecho.ai/sms/verify-otp \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"phone": "+1234567890",
"code": "123456"
}'Join thousands of businesses that trust us with their authentication needs
Get your SMS OTP service running in under 10 minutes. No complex configurations or lengthy approval processes required.
Monitor delivery rates, response times, and user engagement with comprehensive analytics dashboard and reporting.
Our dedicated support team is available round-the-clock to help you with any questions or technical issues.
Pay only for what you use with our competitive rates
Join thousands of companies using IECHO's AI-powered marketing solutions to boost engagement and drive growth.