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

# Fraud & Risk

> Use Stytch Device Fingerprinting to protect your application and its users.

## Device Fingerprinting

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  <Card title="Get started with the API" icon="circle-play" href="/fraud-risk/get-started/using-dfp-api">
    Start using the Device Fingerprinting API under an hour.
  </Card>

  <Card title="Example app" icon="github" href="https://github.com/stytchauth/stytch-b2b-dfp-mfa-example">
    See an example of how to use Device Fingerprinting to power MFA.
  </Card>

  <Card title="API reference" icon="code" href="/api-reference/fraud/api/overview">
    Device Fingerprinting API reference.
  </Card>
</Columns>

### Block advanced programmatic attacks

Check for bots before any sensitive operation and prevent costly attacks against current users. Defend your application against:

* Credential stuffing and brute-force attacks
* Phishing and account takeover (ATO) attacks
* Toll fraud
* Account creation abuse

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  <Card title="Block free trial abuse" icon="tag" href="/fraud-risk/get-started/use-case/prevent-free-trial-abuse">
    Protect your resources for real users by stopping fake accounts.
  </Card>

  <Card title="Add bot protection" icon="bot" href="/fraud-risk/get-started/use-case/invisible-captcha">
    Implement invisible CAPTCHA bot protection for your application.
  </Card>
</Columns>

### Use device information as an additional user identifier

Add or remove friction based on a user's device with highly-unique and stable device identifiers:

* Detect unrecognized devices or trusted devices
* Ban all of a user's account
* Prevent seat sharing or enforce paywalls

<Columns cols={3}>
  <Card title="Add a remembered device flow" icon="monitor-check" href="/fraud-risk/get-started/use-case/remembered-device">
    Reduce login friction when users return on a known device.
  </Card>

  <Card title="New device notifications" icon="bell" href="/fraud-risk/get-started/use-case/new-device-notifications">
    Use Device Fingerprinting to notify users when a new device has logged into their account.
  </Card>

  <Card title="Add IP-geo restrictions" icon="earth" href="/fraud-risk/get-started/use-case/block-countries">
    Use IP-based geographic filters for access control.
  </Card>
</Columns>

### Protected Auth

Protected Auth is a ready-made solution in Stytch’s frontend & mobile SDKs that seamlessly integrates with Device Fingerprinting to detect and stop fraud, such as credential stuffing attacks.

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  <Card title="Get started with Protected Auth" icon="log-in" href="/fraud-risk/get-started/using-protected-auth">
    Add Protected Auth with no code changes.
  </Card>

  <Card title="About Protected Auth" icon="book" href="/fraud-risk/device-fingerprinting/protected-auth">
    Read more about Protected Auth and its configurations.
  </Card>
</Columns>

***

## Learn about the platform

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  <Card title="About Device Fingerprinting" icon="fingerprint" href="/fraud-risk/device-fingerprinting/overview">
    Learn about Stytch's fraud prevention framework.
  </Card>

  <Card title="Fingerprints & IDs" icon="id-card" href="/fraud-risk/device-fingerprinting/fingerprints">
    Learn about the different identifiers provided by Device Fingerprinting.
  </Card>

  <Card title="External metadata" icon="braces" href="/fraud-risk/device-fingerprinting/external-metadata">
    Attaching additional metadata to fingerprints and verdicts.
  </Card>

  <Card title="Verdicts" icon="thumbs-up" href="/fraud-risk/device-fingerprinting/verdict/overview">
    Out-of-box decision verdicts for you to take action on.
  </Card>

  <Card title="Decisioning" icon="thumbs-down" href="/fraud-risk/device-fingerprinting/decisioning/overview">
    Extend Device Fingerprinting's decisioning with your own logic.
  </Card>

  <Card title="Enforcement" icon="shield-ban" href="/fraud-risk/device-fingerprinting/enforcement/overview">
    Enforce your decisioning in your application.
  </Card>
</Columns>

***

## More resources

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  <Card title="Go-live checklist" icon="list-check" href="/fraud-risk/get-started/go-live-checklist">
    An integration checklist to help go live smoothly.
  </Card>

  <Card title="Developer resource guides" icon="library-big" href="/fraud-risk/development/overview">
    Additional guides for developers, such as custom domain configuration and testing your integration.
  </Card>
</Columns>