> For the complete documentation index, see [llms.txt](https://docs.authgear.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide.md).

# How-To Guides

- [Authenticate](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate.md): Implement Authgear to control access to your applications
- [Add Passkeys Login](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/passkeys.md): Passkeys give users a simple and secure way to sign in to your apps and websites across platforms without passwords.
- [Add WhatsApp OTP Login](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/whatsapp-otp-login.md): Allow users to log into your app via OTP with WhatsApp, as a secure alternative to SMS
- [Add Email Magic Link Login](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/add-email-magic-link-login.md): Passwordless login with email links
- [Add Biometric Login](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/biometric.md)
- [Add Ethereum & NFT Login](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/web3.md): Login with NFTs help developers build Web3 apps without blockchain knowledge
- [Add Anonymous Users](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/anonymous-users.md): Allow guest users to use your apps and website and promote to regular users later.
- [Add authentication to any web page](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/add-authentication-to-any-web-page.md): Learn how to add authentication to any web page without using Authgear's SDKs with IIFE(Immediately-invoked Function Expression) bundle
- [Enable Two-Factor Authentication (2FA)](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/enable-two-factor-authentication-2fa.md): Guide on how to add Two-Factor Authentication to your application.
- [Use Authgear as an OpenID Connect Provider](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/oidc-provider.md): Using Authgear as an OpenID Connect Provider for any OIDC compatible applications.
- [How to Use the OAuth 2.0 State Parameter](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/how-to-use-the-oauth-2.0-state-parameter.md): Reference on what the OAuth 2.0 parameter is and how to use it in Authgear SDK.
- [Reauthentication](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/reauthentication.md): Authgear provides an easy method to reauthenticate the end-users. You can use this as a security measure to protect sensitive operations.
- [How to Use Social/Enterprise Login Providers Without AuthUI](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/how-to-use-social-enterprise-login-providers-without-authui.md): Learn how to take users directly to an external OAuth provider's authorization page without opening AuthUI login page.
- [Passwordless Login for Apple App Store Review](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/passwordless-demo-user-for-apple-app-review.md): How to pass the Apple Store review process if your app uses passwordless login.
- [Setup local development environment for Cookie-based authentication](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/local-cookie-based-web-setup.md): Setting up the local development environment for websites that use cookie-based authentication.
- [Forgot/Reset Password settings](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/forgot-reset-password-settings.md): Learn how to configure different options for password reset/account recovery.
- [Set Password Expiry](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/authenticate/set-password-expiry.md): Settings for requiring users to reset their password if they haven't logged in after specific number of days
- [Single Sign-on](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on.md): Provide a seamless user experience across multiple applications with the single sign-on feature.
- [App2App Login](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on/app2app-authorization.md): Perform faster authentication flow via another app installed on the same device.
- [Pre-authenticated URLs](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on/pre-authenticated-urls.md): Use the pre-authenticated URLs feature to open a website from a native app in an authenticated state.
- [SSO with Mobile App / Web SPA](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on/sso-with-mobile-app-web-spa.md)
- [Force Authgear to Show Login Page](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on/force-authgear-to-show-login-page.md): Force Authgear to always show login page even if the user have already logged in.
- [Single Sign-On with SAML](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on/single-sign-on-with-saml.md): Guides on how to use Authgear as a SAML Identity Provider
- [Use Authgear as SAML Identity Provider for Salesforce](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on/single-sign-on-with-saml/use-authgear-as-saml-identity-provider-for-salesforce.md): A guide on how to use Authgear as a SAML Identity Provider IdP in Salesforce
- [Use Authgear as SAML Identity Provider for Dropbox](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/single-sign-on/single-sign-on-with-saml/use-authgear-as-saml-identity-provider-for-dropbox.md): Guide on how to use Authgear as a SAML IdP for Dropbox
- [Social Login / Enterprise Login Providers](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations.md): Add third-party identity providers to enable frictionless sign in for your users
- [Social Login Providers](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/social-login-providers.md): Guides on how to add social login providers like Facebook, Google, LinkedIn Apple
- [Connect Apps to Apple](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/social-login-providers/apple.md)
- [Connect Apps to Google](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/social-login-providers/google.md): Add Google Sign in to your apps in less than 5 minutes.
- [Connect Apps to Facebook](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/social-login-providers/facebook.md): Add Facebook Sign in to your apps in less than 5 minutes.
- [Connect Apps to GitHub](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/social-login-providers/github.md)
- [Connect Apps to LinkedIn](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/social-login-providers/linkedin.md)
- [Connect Apps to WeChat](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/social-login-providers/wechat.md)
- [Enterprise Login Providers](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/enterprise-login-providers.md): Guides on how to integrate identity providers to Authgear
- [Connect Apps to Azure Active Directory](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/enterprise-login-providers/azureadv2.md)
- [Connect Apps to Microsoft AD FS](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/enterprise-login-providers/adfs.md)
- [Connect Apps to Azure AD B2C](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/enterprise-login-providers/azureadb2c.md)
- [Force Social/Enterprise Login Providers to Show Login Screen](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/how-to-setup-sso-integrations/force-social-enterprise-login-providers-to-show-login-screen.md): Use OIDC prompt parameter to force OAuth providers to show login screen.
- [Built-in UI](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/built-in-ui.md): Authgear lets you customize your users’ entire authentication experience
- [Branding in Auth UI](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/built-in-ui/branding.md): Customize the look and feel of Authgear to match your branding
- [User Settings](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/built-in-ui/auth-ui.md): Authgear provides a wide range of prebuilt frontend for the authentication related features of your apps
- [Privacy Policy & Terms of Service Links](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/built-in-ui/privacy-policy-terms-of-service.md)
- [Customer Support Link](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/built-in-ui/customer-support-link.md): Let end-user to contact customer support in case they need help in the login process.
- [Custom Text](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/built-in-ui/localization.md)
- [Custom UI](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-ui.md): Resources about setting up your own custom User Interface for Login, Signup, Account recovery and more.
- [Authentication Flow API](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-ui/authentication-flow-api.md): Learn about what the Authentication Flow API is and how to use it to implement your own custom user interface (UI) for authentication.
- [Implement Authentication Flow API using Express](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-ui/implement-authentication-flow-api-using-express.md): This post provides a simple guide for implementing a custom email + password login and signup pages using Authentication Flow API and Express.
- [Implement Authentication Flow API using PHP](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-ui/implement-authentication-flow-api-using-php.md): This guide shows how to setup custom login and signup pages using Authentication flow API.
- [Add Custom Login/Signup UI to Native Apps](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-ui/add-custom-login-signup-ui-to-native-apps.md): This guide shows how to use Custom Login/Signup pages UI in Native Apps
- [Manually Link OAuth Provider using Account Management API](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-ui/manually-link-oauth-provider-using-account-management-api.md): Use the Account Management API to link OAuth provider.
- [Implement a custom account recovery UI using Authentication Flow API](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-ui/implement-a-custom-account-recovery-ui-using-authentication-flow-api.md): Guide on how to implement your own account recovery UI powered by the Authentication Flow API
- [Integrate](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/integration.md): Integrate Authgear with your product
- [Add custom fields to a JWT Access Token](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/integration/add-custom-fields-to-a-jwt-access-token.md): Learn how to add custom attributes to a JWT Access Token using Authgear
- [User Analytics by Google Tag Manager](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/integration/user-analytics-by-google-tag-manager.md): Learn how to integrate popular analytics and tracking tools into your Authgear project using Google Tag Manager
- [Track User Before and After Signup](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/integration/track-user-before-and-after-signup.md): Learn how to track a user that signs up from a particular source or campaign.
- [Custom domain](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/integration/custom-domain.md)
- [Custom Email Provider](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/integration/custom-email-provider.md): Optimize for email deliverability by using your own SMTP server to send Authgear Emails (such as forgot password, verifications) in your own domains.
- [Monitor](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/monitor.md): Monitor your Authgear implementation
- [Audit Log For Users Activities](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/monitor/audit-log.md)
- [Audit Log for Admin API and Portal](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/monitor/audit-log-for-admin-api-and-portal.md)
- [Analytics](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/monitor/analytics.md): See information about the total number users and active users on your Authgear project
- [User Management](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-management.md): Manage users and their access
- [Account Deletion](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-management/account-deletion.md): Allow end-users to initiate account deletion within the apps.
- [Import Users using User Import API](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-management/import-users-using-user-import-api.md): Use the user import API to bulk import users from external systems to your Authgear project
- [Export Users using the User Export API](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-management/export-users-using-the-user-export-api.md): Export users from your project into a CSV or JSON file
- [Manage Users Roles and Groups](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-management/manage-users-roles-and-groups.md): Define and manage roles and groups that you can apply to your users
- [How to Handle Password While Creating Accounts for Users](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-management/how-to-handle-password-while-creating-accounts-for-users.md): A guide on recommended practices for setting password for a user account created by an admin
- [User Profiles](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-profiles.md): How to guides related to user profiles
- [What is User Profile](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-profiles/user-profile.md)
- [Access User Profiles](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-profiles/access-user-profiles.md): Learn how to access User Profiles
- [Update User Profiles](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-profiles/update-user-profiles.md): Guide on the different ways you can modify the profiles of the users of your application.
- [Profile Custom Attributes](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-profiles/profile-custom-attributes.md): Learn how to add custom attributes to user profiles and manage existing custom attributes
- [Update user profile on sign-up using Hooks](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/user-profiles/update-user-profile-on-sign-up-using-hooks.md): Learn how to update a User profile's custom attributes on sign-up using Hooks
- [Events and Hooks](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/events-hooks.md): Event are generated and delivered to your hooks. You will be notified when important events such as new user signup happen.
- [Event List](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/events-hooks/event-list.md): The full list of events
- [Webhooks](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/events-hooks/webhooks.md): Webhooks is one of the supported hooks to receive events.
- [JavaScript / TypeScript Hooks](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/events-hooks/denohooks.md): JavaScript / TypeScript Hooks is one of the supported hooks to receive events.
- [Only Allow Signups from Inside the Corporate Network using Hooks](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/events-hooks/only-allow-signups-from-inside-the-corporate-network-using-hooks.md)
- [Mobile Apps](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/mobile-apps.md): Learn how to use SDKs for mobile apps to interact with Authgear
- [Use SDK to make authorized API calls to backend](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/mobile-apps/using-sdk-to-call-your-application-server.md): How to make authorized request to your application server after login with Authgear
- [Force authentication on app launch](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/mobile-apps/force-authentication-on-app-launch.md)
- [Customize the Login Pop-up / Disable the login alert box](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/mobile-apps/using-webview-to-open-the-authgear-ui.md): Learn how to switch between ASWebAuthenticationSession/Custom Tabs to WebKitWebView using Authgear Mobile SDKs.
- [Languages and Localization](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/languages-and-localization.md): Change the default language for your Authgear project.
- [Custom Email and SMS Templates](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/custom-email-and-sms-templates.md): Modify the template for emails and SMS messages for your Authgear project.
- [Directly accessing Authgear Endpoint](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/directly-accessing-authgear-endpoint.md): Endpoint Direct Access lets you configure what happens when user's access your Authgear project endpoint directly.
- [Troubleshoot](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/troubleshoot.md): Useful tips for using Authgear.
- [How to Fix SubtleCrypto: digest() undefined Error in Authgear SDK](https://docs.authgear.com/~/changes/4UGStBVc3npNySIR4GYW/how-to-guide/troubleshoot/how-to-fix-subtlecrypto-digest-undefined-error-in-authgear-sdk.md): Guide on how to fix SubtleCrypto: digest() non-HTTPS/Secure context Error in Authgear SDK


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