> For the complete documentation index, see [llms.txt](https://enterprise-ipi-en.hideez.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://enterprise-ipi-en.hideez.com/readme.md).

# IPI Authentication Service for Enterprises

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**Important:** This site contains documentation for retired and deprecated products. Documentation for current products is available at the following link: [**IPI Workforce Identity (v.4)**](https://ipi.gitbook.io/ipi-enterprise-authentication/)
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### Key features of the IPI Authentication Service in 5 minutes:

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[Key features of the IPI Authentication Service in 5 minutes](/readme/key-features-of-ipi-enterprise-solution-in-5-minutes.md)
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## Quick start guides:

### [**Quick start guide for Mobile authenticator**](/quick-start-guides/quick-start-guide-for-subscriptions/ipi-authenticator-guide.md)

Single Sign On login & PC login via Mobile App

### [**Quick start guide for IPI Key 3 and 4**](/quick-start-guides/ipi-key-guide.md)

Hardware Security Key for Proximity lock and unlock PC

### [**Quick start guide for FIDO Security Key**](/quick-start-guides/fido2-and-u2f-authentication-guide.md)

FIDO Hardware Security Key for SSO login to web services

### [**Quick start guide for Passkey**](/quick-start-guides/passkey-guide.md)

Single Sign On login to web services

## Use cases

### IPI Authenticator App use cases

* [PC Login passwordless login](/use-cases/ipi-authenticator-mobile-app/passwordless-pc-login.md)
* [PC Login password-based login](/use-cases/ipi-authenticator-mobile-app/password-based-pc-login.md)
* [RDP login by IPI Authenticator App](/ipi-authenticator-app/user-guide/login-with-ipi-authenticator/pc-login/login-to-the-remote-pc-via-rdp.md)
* [SSO login to Web services (FIDO2) via mobile app](/use-cases/ipi-authenticator-mobile-app/using-ipi-authenticator-as-your-passwordless-authentication-method-for-sso.md)

### IPI Key Use cases

* [Proximity PC lock](/use-cases/ipi-key/lock-pc.md)
* [Proximity PC unlock](/use-cases/ipi-key/lock-unlock-pc-by-proximity.md)
* [Automatic RDP login](/use-cases/ipi-key/automatic-rdp-launch-and-logon.md)
* [Password manager](/use-cases/ipi-key/password-manager-and-otp-generator.md)
* [OTP manager for two-factor authentication](/use-cases/ipi-key/using-ipi-key-as-otp-security-key-for-your-two-factor-authentication.md)

### FIDO Security Key Use cases

* [SSO login to Web services (FIDO2) via **SAML** **2.0** or **Open ID** protocols.](/use-cases/fido-security-key/sso-login-to-web-servises-via-hardware-key-fido2.md)
* [Passwordless PC Login to Entra ID (Azure AD).](/use-cases/fido-security-key/unlock-pc-by-security-key.md)

### Passkey Authentication

* [SSO login to Web Services (FIDO2) via Passkey and IPI Server as Identity Provider](/use-cases/passkey/sso-login-to-web-services-fido2-via-passkey-and-ipi-server-as-identity-provider.md)

### IPI Enterprise Server Guide

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[IPI Enterprise Server](/ipi-enterprise-server/ipi-enterprise-server.md)
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### IPI Client Application Guide

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[Installation of the IPI Client Application](/ipi-client-app/windows-deployment/set-up-ipi-client-app.md)
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### IPI Key Guide

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[IPI Key (Enterprise Edition)](/ipi-key-enterprise-edition/ipi-key-enterprise-edition.md)
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### Product Updates

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[Product updates](/product-updates/product-updates.md)
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### API

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[IPI Enterprise Server web API](/api/ipi-enterprise-server-web-api.md)
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The Ukrainian version of this guide can be found [here.](https://enterprise-ua.ipi.com/)
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