API Key
A unique secret credential used to authenticate an application or client when accessing an API, typically identifying the caller and authorizing requests.
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Related terms
The process of verifying the identity of a user, application, or system before granting access to protected resources or services.
AuthorizationThe 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.
Bearer TokenA security token that grants access to protected resources solely by possession, without requiring additional proof of identity.
Secret ManagementThe processes and tools used to securely store, access, rotate, and manage sensitive credentials in software systems.