--- title: Token based authentication \(user logins\) description: Token-based authentication verifies the identity of users who access a network and issues a unique access token. locale: en-US canonical_url: https://www.servicenow.com/docs/r/platform-security/authentication/token-based-authentication.html release: brazil product: Authentication classification: authentication topic_type: concept last_updated: "2026-09-10" reading_time_minutes: 1 breadcrumb: [Authentication, Access Management] --- # Token based authentication \(user logins\) Token-based authentication verifies the identity of users who access a network and issues a unique access token.
| [Time limited authentication\[Omitted image "bus-explore.svg"\] Alt text: Time limited authentication](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/platform-security/authentication/time-limited-authentication.md) [Token based authentication is a protocol which allows users to verify their identity, and in return receive a unique access token.It helps to enhance the security mechanism for users to access a network.](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/platform-security/authentication/time-limited-authentication.md) | [Digest Token Authentication](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/platform-security/authentication/c_DigestTokenAuthentication.md)\[Omitted image "bus-sdlc.svg"\] Alt text: Digest Token Authentication [The digest token authentication passes user credentials and a digest token within an unencrypted HTTP header.](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/brazil/markdown/platform-security/authentication/c_DigestTokenAuthentication.md) |