> ## Documentation Index
> Fetch the complete documentation index at: https://docs.verisoul.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Authentication

## Authentication

Face Match can also be used to authenticate a user with a previously registered face.

<Steps>
  <Step title="Enroll Account">
    When a new account signs up, include Face Match as part of the sign-up workflow and enroll the user with the [Enroll](/api-reference/face-match/enroll) endpoint
  </Step>

  <Step title="Verify Identity">
    When the account signs in (or when you want to verify user identity), make the user go through Face Match again and call the [Verify Identity](/api-reference/face-match/verify-identity) endpoint
  </Step>
</Steps>

### Use Cases

<CardGroup cols={3}>
  <Card title="Sign-in" icon="right-to-bracket" iconType="duotone">
    Authenticate users during the sign-in process
  </Card>

  <Card title="Large Transactions" icon="money-check-dollar" iconType="duotone">
    Verify identity before processing large transactions
  </Card>

  <Card title="Withdrawals" icon="hand-holding-dollar" iconType="duotone">
    Confirm user identity prior to withdrawals
  </Card>
</CardGroup>