Phonelink

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Phone number verification for web and mobile apps.

Phonelink is a phone number verification SDK for web and mobile apps.

  • Drop-in integration — a few lines of code to add phone verification to any app
  • Cross-platform — works on web, React, React Native (Expo), and iOS
  • Secure by default — cryptographic nonce + signed JWT, validated server-side
  • E.164 output — get verified phone numbers in a standard, portable format

Get API key

Get your team's API key from the Phonelink team.

Choose your platform

Web (Vanilla JS)

Redirect-based flow for any web app

React

usePhonelink hook for React apps

Expo

In-app browser flow for React Native

iOS

Native Swift SDK for iOS apps

Server

Server side validation

Vanilla JavaScript

Integrate Phonelink phone verification into any web app using plain JavaScript or TypeScript.

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Get API keyChoose your platform