> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/supertokens/supertokens-core/llms.txt
> Use this file to discover all available pages before exploring further.

# WebAuthn API Overview

> WebAuthn (Web Authentication) API endpoints for passwordless authentication using FIDO2 credentials

The WebAuthn API provides endpoints for implementing passwordless authentication using FIDO2 credentials like security keys, platform authenticators (Face ID, Touch ID), and biometric devices.

## Key Features

* Passwordless authentication using FIDO2/WebAuthn standards
* Support for multiple credentials per user
* Resident key support for usernameless authentication
* Challenge-response authentication flow
* Credential lifecycle management

## Authentication Flow

### Registration Flow

1. Generate registration options with `/recipe/webauthn/options/register`
2. Client performs WebAuthn registration ceremony
3. Complete registration with `/recipe/webauthn/signup` or `/recipe/webauthn/user/credential/register`

### Sign-In Flow

1. Generate sign-in options with `/recipe/webauthn/options/signin`
2. Client performs WebAuthn authentication ceremony
3. Verify credentials with `/recipe/webauthn/signin`

## Base Path

All WebAuthn endpoints are prefixed with `/recipe/webauthn`

## Related Endpoints

<CardGroup cols={2}>
  <Card title="Registration" icon="user-plus" href="/api/webauthn/register">
    Generate options and register new WebAuthn credentials
  </Card>

  <Card title="Authentication" icon="key" href="/api/webauthn/authenticate">
    Generate options and authenticate with WebAuthn credentials
  </Card>

  <Card title="Credentials" icon="id-card" href="/api/webauthn/credentials">
    Manage user credentials (list, get, remove)
  </Card>
</CardGroup>