Verify & 2FA
Verify API guides for two-factor authentication, OTP delivery, number lookup, and fraud prevention to secure signups and logins on Plivo.
The Best 13 Multifactor Authentication (MFA) Solutions for Businesses in 2025
Explore the top 13 best multifactor authentication (MFA) solutions for businesses in 2025. Compare top tools for cybersecurity, including features, pricing, and integrations, to protect your data.
Buy or Build? How to Get Started with New User Verification
Deciding whether to build or buy a new user verification system? Explore the pros, cons, and key factors to secure your business effectively
A Product Manager and Engineer's Guide to OTP Implementation
Learn how to implement OTPs to enhance the security of your network and your user accounts.
6 Reasons Why Businesses Love Plivo’s Verify API
Discover why businesses love Plivo’s Verify API: top fraud protection, seamless 2FA/MFA integration, and cost-effective solutions for OTP verification.
What is 2FA? A Guide to Two-Factor Authentication with Plivo’s API
This comprehensive guide explores two factor authentication, its benefits, implementation steps, and Plivo’s top-rated API for user authentication.
Two-Step Verification vs Two-Factor Authentication: What's the Difference?
Learn the key differences between two-factor authentication (2FA) and two-step verification (2SV) to secure your digital channels against malicious attacks—without impacting the customer experience.
Best practices for phone number validation during new user enrollment
Learn best practices for validating phone number formats during user enrollment to reduce fraud sign-ups. Ensure accurate data with these verification tips.
How to Send an SMS Verification Code in 5 Minutes
Start sending OTPs in one second with Plivo’s Verify API. Learn how to easily enhance user security with SMS verification codes in five minutes.
Plivo’s Guide to Toll Fraud Prevention: How to Protect Your Business
Learn how Plivo's Fraud Control prevents toll fraud and can prevent your business from losing money. Request a free trial.
Top 7 SMS OTP service providers to secure your customers | How to choose the right one?
Choosing the right OTP provider requires defining your requirements and goals, vetting various providers, and understanding how well each solution works with your existing tech stack.
What is SMS Verification & How Does It Work?
Learn the basics of SMS verification and how Plivo’s verification API authenticates users to keep your business and customer data safe.
What is toll fraud? How to use geo permissions to prevent toll fraud?
Toll fraud: Learn all about toll fraud, its impact on business, and effective strategies for toll fraud prevention.