# GuardianStack Docs

## Home

- [Documentation](https://docs.guardianstack.ai/readme.md): Welcome to your team’s developer platform

## Documentation

- [Welcome to Guardian](https://docs.guardianstack.ai/documentation/readme.md)
- [Quickstart](https://docs.guardianstack.ai/documentation/getting-started/quickstart.md): Stop fraud in under 10 minutes with Guardian's comprehensive fraud detection platform.
- [Guardian Engine](https://docs.guardianstack.ai/documentation/getting-started/guardian-engine.md): The fraud detection engine that powers your protection
- [Editor](https://docs.guardianstack.ai/documentation/basics/editor.md)
- [Markdown](https://docs.guardianstack.ai/documentation/basics/markdown.md)
- [Images & media](https://docs.guardianstack.ai/documentation/basics/images-and-media.md)
- [Interactive blocks](https://docs.guardianstack.ai/documentation/basics/interactive-blocks.md)
- [Integrations](https://docs.guardianstack.ai/documentation/basics/integrations.md)
- [Visitor Identification](https://docs.guardianstack.ai/documentation/protect-your-implementation/visitor-identification.md): Accurately identify visitors on your website to prevent fraud, account takeovers, and abuse.
- [Request ID Security](https://docs.guardianstack.ai/documentation/protect-your-implementation/request-id-security.md): Protecting your fraud detection from replay attacks
- [New Account Fraud Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/new-account-fraud-prevention.md): Detect and block users creating multiple accounts to exploit your platform. Learn how to use device fingerprinting to connect fake accounts to the same device.
- [Payment Fraud Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/payment-fraud-prevention.md): Stop fraudulent orders and chargebacks by linking payment attempts to devices. Identify returning fraudsters instantly, even when they use new cards, emails, or identities.
- [Account Takeover Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/account-takeover-prevention.md): Stop unauthorized access while speeding up logins for recognized users. Adapt authentication requirements in real-time based on device recognition and risk signals - require MFA only when it matters.
- [Returning User Experience](https://docs.guardianstack.ai/documentation/protect-your-implementation/returning-user-experience.md): Recognize returning visitors instantly — without cookies, logins, or personal data. Create personalized, frictionless experiences that span sessions, devices, and browsers.
- [Web3 Fraud Prevention](https://docs.guardianstack.ai/documentation/protect-your-implementation/web3-fraud-prevention.md): Your smart contract is blind to who calls it. Add an identity layer with cryptographic signatures that block bots, scripts, and multi-wallet farming.
- [Employee Device Trust](https://docs.guardianstack.ai/documentation/protect-your-implementation/employee-device-trust.md)
- [Stopping Sybil Attacks at Scale](https://docs.guardianstack.ai/documentation/case-studies/stopping-sybil-attacks-at-scale.md): Mugshot increases fraud detection by 22x and cuts costs by 20% with Guardian. Mugshot suffered sybil attacks in the web3 industry.
- [Laravel / PHP Integration](https://docs.guardianstack.ai/documentation/integrations/laravel-php-integration.md)
- [Privacy Policy](https://docs.guardianstack.ai/documentation/legal/privacy-policy.md): Last updated April 20, 2026
- [Terms of service](https://docs.guardianstack.ai/documentation/legal/terms-of-service.md): Last updated April 20, 2026
- [DPA](https://docs.guardianstack.ai/documentation/legal/dpa.md): Last Updated: December 28, 2025

## API Reference

- [Guardian Server API](https://docs.guardianstack.ai/api-reference/readme.md): Guardian Server API enables you to get more information about your visitors or about individual detection events.
- [Events](https://docs.guardianstack.ai/api-reference/reference/events.md)
- [Models](https://docs.guardianstack.ai/api-reference/reference/models.md)

## Changelog

- [Changelog](https://docs.guardianstack.ai/changelog/readme.md): New updates and improvements

## Help Center

- [Help Center](https://docs.guardianstack.ai/help-center/readme.md)


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