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  1. Manage API keys | Authentication | Google Cloud Documentation

    Dec 17, 2025 · API keys bound to a service account provide the identity and authorization of the service account to a request. When you use an API key that has been bound to a service account to access …

  2. What Is API Authentication? Benefits, Methods & Best Practices

    Here, we'll discuss the primary benefits of API authentication, review some common methods of API authentication, explain the difference between API authentication and API authorization, and explore …

  3. API key - Wikipedia

    An application programming interface (API) key is a secret unique identifier used to authenticate and authorize a user, developer, or calling program to an API. [1][2] Cloud computing providers such as …

  4. API Keys | Swagger Docs

    API keys are supposed to be a secret that only the client and server know. Like Basic authentication, API key-based authentication is only considered secure if used together with other security …

  5. What is API Authentication? Definition and Working

    Jul 23, 2025 · API authentication is an important security process that authenticates the identity of users or applications prior to providing API access. It makes sure that only legitimate entities interact with …

  6. 7 REST API Authentication Methods Explained for 2025

    Aug 3, 2025 · Explore 7 secure REST API authentication methods, from API Keys to OAuth 2.0. Learn their pros, cons, and implementation tips to protect your endpoints.

  7. API Keys: API Authentication Methods & Examples - Stoplight

    Dec 21, 2022 · Let's learn when and where to use API Keys and look at some authentication methods and API authentication best practices.

  8. REST API Authentication Guide 2025: 4 Methods Compared (OAuth

    Secure your REST API: compare OAuth 2.0, JWT tokens, API keys, and Basic Auth. Code examples + security best practices for 2025.

  9. API Authentication and Authorization - Overview - Azure API

    Sep 30, 2025 · Learn about authentication and authorization features in Azure API Management to secure access to APIs, including options for OAuth 2.0 authorization.

  10. What Is API Authentication? A guide to OAuth 2.0, JWT, and key

    Feb 26, 2025 · API authentication ensures that only authorized requests access protected resources. It’s a mechanism for verifying credentials against predetermined rules to reject unauthorized traffic.