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NPM Version

AuthKit is a React library that lets users log in to your app with a Farcaster account.

Click "Sign in With Farcaster" above to try it out on web or click here for mobile.

How does it work?

It uses the Sign In With Farcaster standard under the hood, which is conceptually like "Sign in with Google". When integrated, AuthKit will:

  1. Show a "Sign in with Farcaster" button to the user.
  2. Wait for the user to click, scan a QR code and approve the request in Warpcast.
  3. Receive and verify a signature from Warpcast.
  4. Show the logged in user's profile picture and username.