# Authentication

- [Admin Token](/technical-guide/authentication/admin-token.md): Securing your application with OpenLoyalty starts with a robust authentication flow. OpenLoyalty leverages JSON Web Tokens (JWT) to ensure that requests to its API are authorized.
- [Access Token (API Key)](/technical-guide/authentication/access-token-api-key.md): This article guides you through the process of authenticating requests with the implementation of API keys known as Access Tokens.
- [Enabling SSO Login](/technical-guide/authentication/enabling-sso-login.md): This guide explains how to enable Single Sign-On (SSO) login via OIDC in Open Loyalty.
- [Okta](/technical-guide/authentication/enabling-sso-login/okta.md): This guide explains how to enable Single Sign-On (SSO) login via Okta in Open Loyalty.
- [Microsoft Entra ID](/technical-guide/authentication/enabling-sso-login/microsoft-entra-id.md): This guide explains how to enable Single Sign-On (SSO) login via Microsoft Entra ID in Open Loyalty.