Secure Your Customers with Instant OTP Delivery
Fast, reliable, and scalable One-Time Password SMS delivery for authentication and identity verification.
Secure Authentication Use Cases
Protect user accounts and transactions with instant verification codes
Authentication
Secure login verification
App Login
Mobile app security
Payment Verification
Transaction security
Two-Factor Auth
Additional security layer
Industry-Leading Reliability
Our global infrastructure ensures your authentication codes arrive instantly
average delivery time
success rate
global carriers
Enterprise-Grade Security
Compliant with global security standards and regulations
GDPR Compliance
ISO 27001
PCI-DSS
TLS Encryption
Built for Developers
Simple integration with powerful features
RESTful API
Simple integration with any platform
SDKs
Libraries for popular languages
Webhooks
Real-time delivery notifications
Templates
Pre-approved message templates
Trusted Across Industries
OTP SMS solutions for every sector
Finance
Secure login and transaction verification
E-commerce
Checkout verification and account protection
SaaS
User account security
Healthcare
Patient portal access verification
What Our Customers Say
Join thousands of businesses that trust our OTP service
send-text.com's OTP service has reduced our fraud cases by 60% with instant verification. The reliability is unmatched.
Sarah Johnson
Head of Security, FinTech Corp
Our patient portal is now more secure than ever with send-text.com's OTP system. Patients love the instant access.
James Wilson
CTO, HealthTech
Checkout verification is seamless with send-text.com's OTP service. Our conversion rates have improved significantly.
Emily Chen
Security Lead, E-commerce
Why SMS for Authentication?
Compare SMS to other authentication methods
| Channel | Delivery Speed | Read Time | Internet Required | Open Rate | Reach |
|---|---|---|---|---|---|
| SMS | Seconds | 3 minutes | No | 98% | All mobile phones |
| Minutes | Hours | Yes | 20% | Email users only | |
| Push Notifications | Seconds | Variable | Yes | 40-60% | App users only |
Only Pay for What You Use
Transparent pricing with volume discounts and no hidden fees
Try Our Pricing CalculatorStart Verifying Users Securely Today
Join thousands of businesses that trust send-text.com for their critical authentication needs