A. An API key is a unique code that is used by computer applications to authenticate a user, developer or project with the API.
Application programming keys are normally used to assist in tracking and controlling how the interface is being utilized. Often, it does this to prevent abuse or malicious use of the API.
For more information on when and why to use an API key, please click here.
If you have any questions, please contact customer support by emailing firstname.lastname@example.org or chat to the Customer Operations Team via the LiveChat icon in the bottom right corner of your screen.