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Which of the following best describes an API key?

  1. A password for all system access.

  2. A user-specific authentication token for integrated platforms.

  3. A public URL used to access IT Glue features.

  4. A method for encrypting sensitive data.

The correct answer is: A user-specific authentication token for integrated platforms.

An API key serves as a user-specific authentication token for integrated platforms, allowing developers to interact with an application's programming interface securely. It is essentially a code passed in requests to identify the calling program, its developer, or its user to the website. This key can grant access to various resources and functions offered by the platform when making API calls. Using an API key helps ensure that only authorized applications and users can access specific data or perform actions on the platform. This security measure is crucial in maintaining control over who can see or modify system data and enhances the overall integrity of the software environment. The other options describe different concepts unrelated to the specific function of an API key. A password for system access pertains more to traditional user authentication, a public URL does not encapsulate the security aspect of API keys, and encryption methods are focused on protecting data rather than authenticating users or systems.