How to Approve Real Users and Block Fake Accounts at Sign Up with Lookup and Verify in PHP

· Twilio · Aug. 31, 2026, 5:03 a.m.
developer insights User authentication identity-verification Twilio API PHP Development
Summary
This blog post explains how to use Twilio's Lookup API to collect user details and implement a multi-step identity verification process to distinguish real users from fake accounts during sign-up.
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