What is an API key?

An API key, also known as an application programming interface key, is a unique identifier that grants access to certain functionality or resources of an application or service. It is a string of characters that is usually provided by the provider of the API to the developers who want to use their services. API keys serve as a security measure to control access to the specific features or data of an application, ensuring that only authorized parties can make requests and interact with the API. This key acts as a secret token that must be included in API requests to authenticate and validate the caller's identity and permissions. Additionally, API keys can help monitor and manage usage of an API, tracking usage statistics and enforcing usage limits if necessary.

This mind map was published on 10 December 2023 and has been viewed 46 times.