# How to Confirm Phone Number Ownership with Lookup Identity Match

DevFeed: [How to Confirm Phone Number Ownership with Lookup Identity Match](<https://devfeed.tech/articles/how-to-confirm-phone-number-ownership-with-lookup-identity-match-16088.md>)

Original publisher: [Read original article](<https://www.twilio.com/en-us/blog/confirm-phone-number-ownership-lookup-identity-match>)

Author: Kelley Robinson

Published: 2026-08-31T00:00:00Z

Content type: tutorial

Language: en

Sources: [Twilio Blog](<https://devfeed.tech/sources/twilio-blog.md>)

Topics: [API](<https://devfeed.tech/topics/api.md>), [Code](<https://devfeed.tech/topics/code.md>), [Command-line interface](<https://devfeed.tech/topics/cli.md>), [Serverless](<https://devfeed.tech/topics/serverless.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [cli](<https://devfeed.tech/tags/cli.md>), [code](<https://devfeed.tech/tags/code.md>), [developer-insights](<https://devfeed.tech/tags/developer-insights.md>), [fake-accounts](<https://devfeed.tech/tags/fake-accounts.md>), [fraud](<https://devfeed.tech/tags/fraud.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [reduce](<https://devfeed.tech/tags/reduce.md>), [request](<https://devfeed.tech/tags/request.md>), [serverless](<https://devfeed.tech/tags/serverless.md>), [verify](<https://devfeed.tech/tags/verify.md>)

## AI overview

This tutorial explains how to use Twilio Lookup Identity Match to confirm that a person is linked to a phone number. It covers matching submitted identity details against authoritative data, setting up a JavaScript project with the Twilio CLI and Serverless plugin, and using the result to reduce sign-up fraud.

## Source excerpt

Send details like name, address, or date of birth and the Identity Match API will tell you if they match a provided phone number. Reduce fraud and verify identities quickly.