# Authentication and Authorization

- [Tokens and Scopes](https://developer.emporix.io/api-references/quickstart/authentication-and-authorization/tokens-and-scopes.md): Tokens and scopes grant access to employee users, your storefront customers assigning them relevant permissions level to specific resources. Dedicated tokens are also required for external system-to-s
- [Customer Authentication](https://developer.emporix.io/api-references/quickstart/authentication-and-authorization/customer-authentication.md): Learn how customer authentication works in Emporix.
- [SSO Authentication](https://developer.emporix.io/api-references/quickstart/authentication-and-authorization/customer-authentication/sso-authentication.md): Implement SSO solution to authenticate your customers on the storefront.
- [Token Exchange](https://developer.emporix.io/api-references/quickstart/authentication-and-authorization/customer-authentication/token-exchange.md): Implement token exchange as a way to authenticate your customers on the storefront.


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