WhatsApp OTP Verification With Dexatel
Authenticate users on the spot by sending one-time passwords via WhatsApp. With Dexatel’s WhatsApp OTP API, you can boost verification success rates through a channel your audience already trusts.
Why Choose WhatsAppfor OTP Delivery
Trusted User Experience
It’s a familiar, reliable, and secure messaging platform used every day by more than 2 billion people.
End-to-End Encryption
OTP messages are protected with WhatsApp’s encryption so that only the recipient sees the code.
High Deliverability
WhatsApp messages often reach users faster than other channels, especially in mobile-first regions.
Cost-Effective
You can reduce OTP delivery costs in regions where SMS is expensive. Plus, you only pay for delivered messages.
Branded and Verified Messaging
OTPs are sent from your official WhatsApp Business profile, boosting trust and reducing phishing risks.
Key Features
Secure Authentication
OTP WhatsApp messages are time-bound, tamper-resistant, and fully encrypted for safe login and transaction validation.
Intelligent Fallback
If WhatsApp fails, Dexatel’s system automatically switches to SMS, Flash Call, or Voice, guaranteeing OTP delivery.
Delivery and Engagement Insights
You can track sent, delivered, and read statuses in real-time and optimize performance using full analytics.
Global Reach
Authenticate users across more than 190 countries, with region-optimized delivery and built-in compliance.
Easy API Integration
Our developer-friendly API and SDKs make integration simple, with detailed documentation and 24/7 support included.
Multi-Channel Flexibility
Our platform supports multiple communication channels, including SMS, Viber, and Telegram—all within one API.
Getting Started With WhatsApp OTP
Set up WhatsApp OTP verification in just a few steps:
Sign Up
Create your free Dexatel account—no credit card needed.
Connect WhatsApp
Link your WhatsApp Business Account in the Dexatel dashboard.
Verify With Meta
Our team will guide you through the Meta verification process.
Create a Template
Submit a pre-approved WhatsApp authentication message template.
Integrate the API
Use our API or SDKs to send OTPs with fallback logic and delivery insights.
Use Cases
Account Registration
Verify users during sign-up to prevent bots and fraud.
Password Reset
Confirm identity before allowing password changes.
Transaction Verification
Protect payments, withdrawals, or high-value actions.
Two-Factor Authentication (2FA)
Add an extra layer of protection for user logins.
Profile Updates
Validate changes to user settings or contact information.
Pricing
| Channel | Starting From* |
|---|---|
WhatsApp OTP | $0.007 / message |
Volume Discounts | Available for high-throughput use cases |
Flexible Billing | Pay-as-you-go or custom enterprise plans |
IndustriesWe Support
Finance and Fintech
Verify logins and transactions securely
E-Commerce
Prevent fake orders and improve checkout flow
Healthcare
Protect sensitive patient login and record access
SaaS and Apps
Streamline onboarding and minimize churn
Education
Safeguard access to portals, exams, and admin panels
Start Verifying With WhatsApp OTP
Join global businesses using Dexatel to deliver fast and secure authentication via OTP WhatsApp messages. We’ll help you get started, onboard your team, and optimize your setup for success.