# Firebase Phone Number Verification developer preview

DevFeed: [Firebase Phone Number Verification developer preview](<https://devfeed.tech/articles/firebase-phone-number-verification-developer-preview-16635.md>)

Original publisher: [Read original article](<https://firebase.blog/posts/2025/10/fpnv-preview-launch>)

Author: Micah Baker

Published: 2025-10-21T00:00:00Z

Content type: release

Language: en

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

Topics: [Firebase](<https://devfeed.tech/topics/firebase.md>), [API](<https://devfeed.tech/topics/api.md>), [Security](<https://devfeed.tech/topics/security.md>), [App](<https://devfeed.tech/topics/app.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [app](<https://devfeed.tech/tags/app.md>), [authentication](<https://devfeed.tech/tags/authentication.md>), [developer](<https://devfeed.tech/tags/developer.md>), [developer-preview](<https://devfeed.tech/tags/developer-preview.md>), [firebase](<https://devfeed.tech/tags/firebase.md>), [launch](<https://devfeed.tech/tags/launch.md>), [phone-number-verification](<https://devfeed.tech/tags/phone-number-verification.md>), [preview](<https://devfeed.tech/tags/preview.md>), [security](<https://devfeed.tech/tags/security.md>), [updates](<https://devfeed.tech/tags/updates.md>), [verification](<https://devfeed.tech/tags/verification.md>)

## AI overview

Firebase introduces a developer preview of Firebase Phone Number Verification, which obtains a SIM phone number from the carrier through a secure API with a single tap. It is designed to work over cellular or Wi-Fi and remove the need for SMS one-time passcodes.

## Source excerpt

News, tutorials, and updates from the Firebase team.