Authentication
Also called: Identity Verification
The process of verifying the identity of a user, application, or system before granting access to protected resources or services.
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Related terms
The process of determining what actions or resources an authenticated user, application, or system is permitted to access.
Access TokenA credential issued after authentication that authorizes a client to access protected resources or APIs for a limited period.
API KeyA unique secret credential used to authenticate an application or client when accessing an API, typically identifying the caller and authorizing requests.
OAuth 2.0OAuthAn authorization framework that enables applications to obtain limited access to protected resources without exposing a user's credentials.
OpenID ConnectOIDCAn identity layer built on OAuth 2.0 that enables applications to verify user identity and obtain basic profile information.