WhatsApp Business API OTPReliable WhatsApp OTP Delivery for Modern Apps
Replace unreliable SMS with fast, secure, and cost-effective WhatsApp OTPs. Ensure your users authenticate instantly with the official WhatsApp Business API.
Why Switch to WhatsApp for OTPs?
SMS delivery rates are dropping, and carrier filtering is causing massive friction during user onboarding and authentication. WhatsApp solves this instantly.
Near 100% Delivery
Bypass SMS carrier filters and network congestion. WhatsApp messages are delivered instantly over the internet.
End-to-End Encryption
Unlike SMS, WhatsApp messages are fully encrypted, protecting sensitive authentication codes from interception.
Verified Brand Trust
Send OTPs from a verified business profile with your logo and name, eliminating phishing and spoofing risks.
Cost-Effective
WhatsApp authentication templates are priced competitively, often costing significantly less than international SMS.
How WhatsApp OTP Works
Integrating WhatsApp OTPs into your authentication flow is seamless with Cuoral's API.
Connect your WhatsApp Number
Link your number to Cuoral in minutes to get official WhatsApp Business API access.
Create an Authentication Template
Set up a pre-approved WhatsApp template specifically designed for one-time passwords and verification codes.
Trigger via API
Call our simple REST API whenever a user requests a login code, password reset, or transaction verification.
{
"to": "+2348012345678",
"type": "template",
"template": {
"name": "auth_otp_code",
"language": {
"code": "en"
},
"components": [
{
"type": "body",
"parameters": [
{
"type": "text",
"text": "482915"
}
]
},
{
"type": "button",
"sub_type": "url",
"index": "0",
"parameters": [
{
"type": "text",
"text": "482915"
}
]
}
]
}
}Ready to improve your authentication rates?
Stop losing users to undelivered SMS codes. Switch to WhatsApp Business API OTPs today and provide a frictionless login experience.
See Cuoral on the customer journey that matters most
Start free if you want to explore on your own, or book a 30-minute demo for a guided walkthrough built around your workflow.