User Authentication & Identity

Seamless verification, strengthening customer trust

Comprehensive, simplified, scalable. Twilio's user authentication and verification solutions offers user verification that not only empowers customer conversion, but also builds customer trust

Woman receiving a verification code on her phone for logging in.

100% Protection from SMS pumping fraud with Fraud Guard

Fraud Guard has already saved customers over $62.7 million by blocking over 569 million* fraud attempts. With first-to-market innovation, Fraud Guard offers 100% protection against SMS pumping fraud.

Explore Verify Fraud Guard

*since June '22 up to 11 July '24

Reduce fraud at scale without the workload

Build with out-of-the-box convenience
Quickly integrate a ready-use solution that handles all your connectivity, channels, code generation, fraud monitoring, and more using native software—so you don’t have to.

Mitigate fraud seamlessly
Reduce fraud across your multi-channel user experience with phone number verification that uses one API endpoint to validate users and detect fraud with minimal friction.

Optimize OTP conversions
Ensure global deliverability via preferred channels like SMS, voice, email, WhatsApp, push, silent device approval, and time-based one-time password (TOTP).

See what companies are building with Twilio

Stripe can reliably verify millions of users without friction

Keeping millions of global users secure is a huge responsibility. And it’s something Stripe manages without compromising the user experience through a quick and easy verification process with Verify.

Intuit implemented global verification in just 3 months

Intuit deployed one-time passcode (OTP) SMS messages to provide its growing global customer base with the most convenient user verification options in record time.

Duolingo verifies users for secure social learning experiences

Duolingo uses Verify to authenticate phone numbers and enable secure contact syncing so users can invite friends to join in on their learning journeys.

Insights, use cases, and inspiration for customer engagement

[Webinar] Exposing Fraud Risks in Financial Services

Learn how you can verify, authenticate and authorize your users in order to improve security for your users accounts.

Creating Nicer Financial Experiences With Tech and Data

See how your peers in finance have transformed their services. Get inspired by their journeys and learn how to outperform them.

Choosing a verification process that's right for your business

Explore the pros and cons to each account verification process and deciding which is right for your business.

The User Authentication Decision Maker’s Guide

Fake users pose a reputational and expensive risk for your business. Learn how to protect your business—and your users—with the right user authentication solutions.

What Is SMS Pumping Fraud and How to Stop It

Discover ways to detect and prevent SMS pumping fraud to protect your organization from an attack.

5 Best practices for seamless & secure user onboarding

When building an onboarding process that satisfies customers, consider the best practices outlined in the rest of this guide.

Drive revenue and trust with an end-to-end user verification solution

Delight customers with frictionless authentication at every touchpoint. Build silent data validation and zero-effort verification into your engagement solution with Twilio’s trusted APIs that integrate with any tech stack.

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