Verify v2 is Twilio's new API for verifying users via email, SMS, and voice, aiming to increase confidence in user phone numbers and reduce fraud. The new API offers various improvements such as an increased request rate per second, enhanced visibility into verification traffic, and stronger transaction verification for PSD2 compliance. Users can verify ownership of their phone number through a single API call, with customizable originating phone numbers and granular verification logs. Additionally, Verify v2 includes features like built-in fraud protection, integration with the Twilio Platform, and support for email delivery channel for OTPs, making it easier to implement and manage user verification processes.