Verify & 2FA
Verify API guides for two-factor authentication, OTP delivery, number lookup, and fraud prevention to secure signups and logins on Plivo.
How to Add Two-Factor Authentication to a Dotnet Application with Plivo
Learn how to add two-factor authentication to a Dotnet application, delivering one-time passwords over SMS with Plivo to protect against password breaches.
How to Add Two-Factor Authentication to a Node.js Application with Plivo
See how to secure a Node.js application with two-factor authentication by sending one-time passwords over SMS using Plivo.
How to Add Two-Factor Authentication to a PHP Application with Plivo
This guide walks through adding SMS-based two-factor authentication to a PHP application with Plivo, using one-time passwords to secure user logins.
How to Add Two-Factor Authentication to a Python Flask Application with Plivo
Learn to add two-factor authentication to a Python Flask application, verifying users with one-time passwords delivered over SMS via Plivo.
Get ready to be STIRred and SHAKEN
STIR/SHAKEN goes into effect June 30. Here’s how Plivo will handle attestation and sign outbound calls as either Verified or Not Verified.
Plivo’s Latest Safeguards Against Telecom Fraud and Spam
Plivo is taking new measures to let our customers improve the trust their customers have in them, via STIR/SHAKEN, Google Verified services, and 10DLC.
Take A Multivendor Approach To 2FA
Why and how you should take a multivendor approach to two-factor authentication. Use a second vendor to add fault tolerance to your critical 2FA process.
Improve Conversions with Multichannel 2FA
Multichannel two-factor authentication offers superior reliability and seamless customer experience, and guarantees high delivery rates across the globe.
What is Two-Factor Authentication (2FA)?
Plivo’s two-factor authentication offering is a reliable, scalable phone number authentication solution in a single API.
Best Practices for SMS and Voice-Based Two-Factor Authentication
Best practices for SMS and voice-based two-factor authentication to ensure that every 2FA OTP message gets delivered quickly.
New Lookup API Provides Real-Time Phone Number Validation
Plivo’s Lookup API can determine number format, type, country, and carrier for any phone number worldwide.
Announcing Geo Permissions for SIP Trunking Outbound
SIP Trunking users can now restrict the countries to which they can place calls globally. Configure country-specific rules for outbound trunks and set an account-level default from the Plivo console, and block calls to high-risk destinations.
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