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Auth.js · Provider

WebAuthn

Auth.js WebAuthn adds passkey registration and sign-in. It needs the Passkey provider, a supported adapter, an Authenticator table, and an experimental feature flag.

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Syntax

signIn(provider?, options?, authorizationParams?): Promise<void> | Promise<SignInResponse>

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

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  • Passkey
  • Authenticator
  • @simplewebauthn/browser
  • PrismaAdapter
  • enableWebAuthn
  • signIn

Source: WebAuthn. Checked 2026-11-03.