Vonage Verify API (2FA) | Vonage API Documentation

Verify API

The Verify API is our next generation two-factor authentication (2FA) product. Authenticate your users and prevent fraud with our simple, easy-to-use API that removes the complexity of 2FA at a global scale.

Prevent fraud with two-factor authentication

Choose from channels including SMS, Voice, Email, WhatsApp

Define the workflow that works for you

JWT authentication available

Ready to Start Building ?

Experience seamless connectivity, real-time messaging, and crystal-clear voice and video calls—all at your fingertips.

Learning Center

Discover use cases and structured, interactive learning paths to help you get started with the Verify API.

2h 30min

Verify API & Silent Authentication Learning Path

Implement Verify Silent Authentication in a mobile application using the Vonage Verify API.

25min

Digital Login for Silent Authentication

Login flow prioritizing Vonage Verify Silent Authentication to auto-verify returning low-risk users, reducing OTP prompts.

25min

Reinventing Account Recovery with Silent Authentication

A cross-industry account recovery flow that prioritizes Vonage Verify Silent Authentication to verify users attempting to regain account access.

How-to Guides

Step-by-step, practical guides designed to help you accomplish specific goals efficiently and effectively.

Reference Guides

Reliable reference materials designed to help you quickly find precise information and answers.

Conceptual Guides

High-level guides that clarify core Vonage API concepts, ideal for gaining a deeper understanding before planning your implementation.

Tutorials

Step-by-step, learning-focused lessons that guide you through building projects, perfect for getting started with Vonage.

Getting Started with Silent Authentication