Authentication &Verification API

Our Authentication and Verification APIs enable your business to verify users instantly across multiple channels SMS, WhatsApp, Voice, Email, and more — ensuring secure, frictionless experiences for every customer, everywhere.

Cerqle connects you to a global network of carriers and messaging partners, guaranteeing high delivery rates and instant scalability across countries and regions.

SMS Verification

Send time-sensitive OTPs directly to mobile phones worldwide with near-instant delivery and advanced failover options

WABA OTP verification

Engage users securely over their favorite messaging app. Deliver one-time passwords and verification codes via official WhatsApp Business API and advanced failover options.

Voice call verification

Authenticate users via automated voice calls delivering verification codes — perfect for scenarios where SMS or data is unavailable.

Email Verification

Add another layer of protection by verifying email addresses during signup, transactions, or sensitive account updates.

Fast, reliable delivery through direct carrier connections

Smart retries and channel fallback options

Global reach with local compliance

Customizable flows for any app or platform

Transparent reporting and analytics

Account Sign-up and Login Verification

Transaction and Payment Authentication

Secure Password Reset Flows

Fraud Prevention and Risk Management