Secure User Accounts With 2FA
Secure user logins and transactions with one-time passwords via SMS, email, or voice.
Multiple 2FA Methods
Choose the authentication method that best fits your security needs and user experience.
SMS 2FA
One-time passwords delivered via text message
- 99.9% delivery rate
- Global coverage
- No app required
Email 2FA
Secure codes sent to user's email address
- Rich content support
- Brand customization
- Detailed logs
Voice 2FA
Automated voice calls with verification codes
- Text-to-speech
- IVR options
- Accessibility
TOTP/HOTP
Time-based one-time passwords for authenticator apps
- Offline capability
- Highest security
- Industry standard
Enterprise-Grade Security For Every Industry
Protect your users and data with compliance-ready two-factor authentication.
Login Security
Secure customer access to banking and investment accounts
Transaction Verification
Confirm high-value transfers and sensitive operations
Password Reset
Secure account recovery with multi-factor verification
Security & Compliance
Simple Integration
// Send SMS verification code
const verification = await sendexa.verify.create({
channel: 'sms',
to: '+1234567890',
brand: 'Your App Name'
});
// Verify the code
const isValid = await sendexa.verify.check({
verificationId: verification.id,
code: userEnteredCode
});
// Or use our SDK helpers
const sendexa = require('sendexa')(API_KEY);
// Simple one-liner verification
const isValid = await sendexa.verify.phone({
phone: '+1234567890',
code: userEnteredCode
});Enterprise Security Features
Everything you need to implement robust two-factor authentication.
Military-Grade Security
End-to-end encryption with compliance for GDPR, HIPAA, and SOC 2
- 256-bit encryption
- Regular security audits
- Compliance ready
Instant Delivery
Verification codes delivered in under 10 seconds globally
- <10s delivery time
- 99.9% uptime
- Global infrastructure
User-Friendly
Seamless authentication experience that doesn't frustrate users
- Simple UX
- Multi-language
- Accessibility compliant
Real-Time Analytics
Monitor authentication attempts, success rates, and security events
- Live dashboards
- Security alerts
- Usage reports
Easy Integration
Simple API integration with comprehensive documentation
- REST API
- 10+ SDKs
- Quick start guides
Global Reach
Send verification codes to 190+ countries with local numbers
- Local numbers
- Regional compliance
- Multi-language
Implement 2FA in Minutes
Get started with our simple API and comprehensive documentation.
1. Get API Keys
Sign up and get your free API keys instantly
2. Integrate SDK
Add a few lines of code to your application
3. Go Live
Start protecting user accounts immediately
Secure Your Application Today
Join thousands of businesses protecting their users with Sendexa's enterprise-grade 2FA.